DNS server configuration

Nov 27, 2012Download as PPTX, PDF15 likes9,319 views

DNS provides resolution between host names and IP addresses in a hierarchical namespace separated by periods. The document discusses the configuration of a DNS master server in 7 steps, including installing required packages, editing configuration files, defining forward and reverse lookup zones, and starting the named service. DNS is a crucial distributed database that enables the internet to function through mapping of human-friendly names to machine-readable IP addresses.

INTRODUCTION TO DNS SERVER

 DNS provides the resolution of host names to IP &
vice versa.
. e.g www.wbut.ac.in to 192.168.43.10 (IPv4)

 Defines a hierarchical name space where each level of
the namespace is separated by a “ . ”
e.g 192.168.64.27(class B).

Types of DNS Server

Master DNS server:-
Stores authorative records for your domain

Slave DNS server:-
Relies on master DNS server for data.

Caching-only DNS server:-
Stores recent requests like a proxy server.

Forwarding –only DNS server:-
Refers to all requests to other DNS servers.

DNS Master server configuration
STEP-1:

 bind & caching name server .

 rpm is required to configure
DNS. Check them for install ,if
not installed, install them as

 [root@server~]# rpm –qa cach*
 [root@server~]# rpm –qa bind*

DNS Master server configuration
STEP-2:
 Set hostname to
server.example.com .

 [root@server~]# cat/etc/
sysconfig /network
HOSTNAME=
server.example.com

 Set IP address to
192.168.0.254
 [root@server~] ifconfig etho
inet addr: 192.168.0.254

DNS Master server configuration
STEP-3:
 Create the main configuration file
for DNS, that is named.conf.
• By default a sample file
 /var/named/chroot/etc/named.
caching- nameserver .conf ,is
created
 Edit this one by named.conf file or
create new one as
 [root@server etc]# vi/
var/named/chroot/etc/named.conf
 Set directory location for
Forward zone and Reverse lookup
zone

DNS Master server configuration
 STEP-4:
 Configure example.com.zone for forward zone and 0.168.192.in-
address.arpa for reverse zone. They will be stored in
“/var/named/chroot/var/named/” location.
 Change directory to

 [root@server named]# cd/ var/named/chroot/var/named
 Copy sample file to name we have set in named.conf.

 [root@server named]# cp localhost.zone example.com.zone

 [root@server named]# cp named.local 0.168.192.in-
addr.arpa.zone

DNS Master server configuration
 STEP-5:
 Open forward zone file
 [root@server named]# vi
example.com.zone
and modify as

DNS Master server configuration

STEP-5 contd:

Open reverse lookup zone file

 [root@server named]# vi
0.168.192.in-addr.arpa.zone
and modify as

DNS Master server configuration

STEP-6:
Change the ownership of these zone file to named group.

 [root@server named]# chgrp named example.com.zone

 [root@server named]# chgrp named 0.168.192.in-
addr.arpa.zone

DNS Master server configuration
STEP-7:
 Now start the named service

 If service restart without any error then the master name
server is successfully configured

Summary

 DNS is an integral part in most protocols
used in the internet.
 Makes the internet human friendly for all
of us..
 Is the world’s largest distributed database
system.
 Fits the international model perfectly.
 In simple terms DNS is a mapping
between names and IP addresses.

The DNS name resolution process involves a DNS server checking its local cache, hosts file, and forwarding the request to higher-level DNS servers if the address is not found. As a last resort, the root hints file is used to forward the request to a root DNS server, which will then direct the request to a top-level domain server that can provide the IP address. DNS translates hostnames to IP addresses through a hierarchical system of root, top-level, and authoritative DNS servers.

Chapter 29 Domain Name System.pptwebhostingguy

DNS - Domain Name SystemPeter R. Egli

Overview of the Domain Name System (DNS). In the early days of the Internet, hosts had a fixed IP address. Reaching a host required to know its numeric IP address. With the growing number of hosts this scheme became quickly awkward and difficult to use. DNS was introduced to give hosts human readable names that would be translated into a numeric IP addresses on the fly when a requesting host tried to reach another host. To facilitate a distributed administration of the domain names, a hierarchic scheme was introduced where responsibility to manage domain names is delegated to organizations which can further delegate management of sub-domains. Due to its importance in the operation of the Internet, domain name servers are usually operated redundantly. The databases of both servers are periodically synchronized.

Domain Name SystemGurkamal Rakhra

The document discusses how the Domain Name System (DNS) works by translating domain names to IP addresses. It involves the following steps: 1) A user enters a domain name in their browser. Their computer first checks its local DNS cache for the IP address. 2) If not found locally, the computer queries a recursive DNS server, typically provided by the user's Internet Service Provider. 3) If the recursive DNS server doesn't have the IP address, it queries the root name servers which direct the query to the authoritative name servers for the top-level domain (e.g. .com, .org). 4) The authoritative name servers for the specific domain (e.g. ut

Presentation on dnsAnand Grewal

The document discusses the Domain Name System (DNS), which translates domain names to IP addresses and vice versa. It describes the hierarchical structure of DNS with zones, resource records, and name servers. Primary and secondary name servers maintain authoritative data for zones, while caching name servers store previously looked up data to improve performance. The domain name resolution process involves queries to authoritative and caching name servers to map names to addresses.

DNS PresentationShubham Srivastava

The document discusses the Domain Name System (DNS) which translates human-friendly domain names to IP addresses. It describes DNS as the internet's equivalent of a phone book. DNS uses a hierarchical, domain-based naming scheme and distributed database to implement this naming system. The DNS database contains resource records (RRs) that map domain names to IP addresses and other attributes. There are different types of name servers, including authoritative, caching, primary, and secondary servers that maintain the DNS database and resolve queries. DNS resolution can occur through either recursive or iterative queries to translate names to addresses.

Dnsjulien pauli

This document provides an introduction to DNS (Domain Name System) in 3 paragraphs: It explains that DNS was created to address the problems with using a centralized HOSTS.TXT file to map hostnames to IP addresses as the Internet grew. DNS introduced a distributed and hierarchical namespace that maps domain names to IP addresses through a global network of name servers. It describes the basic structure and functionality of DNS, including that it is organized in a tree structure with top-level domains at the root, each domain can be delegated to different administrators, and name servers contain parts of the distributed database that maps domain names and resource records like A records (IPv4 addresses) and MX records (mail servers). The

Presentation on Domain Name SystemChinmay Joshi

This document provides an overview of the Domain Name System (DNS). It discusses what DNS is, why names are used instead of IP addresses, and the history and development of DNS. It describes the hierarchical name space and domain system. It also explains different DNS record types like A, CNAME, MX, and NS records. The document discusses recursive and iterative queries, legal users of domains, and security issues with the traditional DNS system. It provides an overview of how DNSSEC aims to address some of these security issues through digital signing of DNS records.

Domain name serverMobile88

Domain Name System (DNS) is a hierarchical naming system that maps domain names to IP addresses. DNS maintains the domain namespace and provides translation between domain names and IP addresses using DNS name servers and a communication protocol. DNS refers to the data query service, system of mapping names to IP addresses hierarchically, and DNS servers that translate host names to IP addresses. Before DNS was invented, host name to IP address mappings were stored in a file. DNS was developed in the 1980s and the dominant DNS software, BIND, was introduced. Security vulnerabilities include cache poisoning, client flooding, and dynamic update vulnerabilities. Efforts are made to improve DNS security.

Domain Name System DNSAkshay Tiwari

The document discusses the Domain Name System (DNS) and its components. It explains what DNS is, how it works to translate domain names to IP addresses, the different record types used in DNS like A, NS, MX records. It describes DNS name servers, resolvers, zones and namespaces. It provides examples of DNS configuration files for both master and slave name servers as well as sample zone files mapping names to IP addresses.

DNSFTC

The DNS provides a global distributed database that maps domain names to IP addresses and other attributes. It uses a hierarchical name space structure and divides the name space into zones. Name servers store authoritative data for zones and cache responses from other servers. Resolvers query servers to look up names. Resolution starts at the root servers and follows referrals through the name space hierarchy until the authoritative name server for a domain is reached.

Dns serverSubrata Kumer Paul

The document discusses DNS (Domain Name System) servers and how they work. It explains that DNS servers translate human-readable domain names to machine-readable IP addresses in 7 steps: 1) A request is made, 2) recursive DNS servers are queried, 3) root nameservers are queried, 4) TLD nameservers are queried, 5) authoritative nameservers are queried, 6) the IP address record is retrieved, and 7) the answer is received. DNS servers act like a phone book to lookup domain names and allow the internet to function by linking names to IP addresses.

Dns(Domain name system)Fâhém Ähmêd

The document discusses the Domain Name System (DNS), which maps host names to their corresponding IP addresses. DNS is an internet directory service that acts as a client-server application to provide name mapping, as IP addresses are difficult to remember and can change. Historically, name mapping was done using a host file on each computer, but as the internet grew this became impractical, leading to the distributed DNS system with a hierarchy of root, top-level domain, and authoritative name servers. DNS supports two types of queries - recursive queries where a server resolves a query itself, and iterative queries where a server refers the query to another name server.

DNS Recordkangting21

The document discusses DNS (Domain Name System) records. It explains that DNS is a hierarchical naming system that maps hostnames to IP addresses. DNS records are the basic data elements that allow DNS servers to perform this mapping. The document describes several important DNS record types including A records, which map hostnames to IPv4 addresses; AAAA records, which map to IPv6 addresses; CNAME records, which map aliases to hostnames; and MX records, which specify mail servers for a domain. It also briefly mentions SOA, PTR, and SRV records along with sources for further information on DNS records.

Dns server kajal sood

This document discusses DNS (Domain Name System) servers and their functions. It explains that DNS allows users to type in domain names like "lifewire.com" and have their computer automatically find the corresponding IP address. It also describes two main types of DNS lookups - forward lookups that resolve domain names to IP addresses, and reverse lookups that resolve IP addresses back to domain names. The document provides details on how forward lookups work, with DNS servers able to forward requests to other servers if unable to locate the domain's IP address themselves. It also explains the process of reverse lookups using PTR records stored in the reverse DNS database rooted in the arpa top-level domain.

DNS ConfigurationVinod Gour

This document discusses DNS configuration. It provides an overview of DNS and its history. It describes DNS name space and how it works with an inverted tree structure. It discusses DNS name servers and zones, including forward and reverse lookup zones. It outlines the steps to configure DNS on a server, which includes installing bind9, editing configuration files for zones, and restarting the bind9 service. Tests are done using nslookup to resolve names and addresses.

Domain name systemSiddharth Chandel

The document discusses the need for and history of the Domain Name System (DNS). It explains that DNS was created to map human-friendly domain names to IP addresses and vice versa. Originally, a single host file contained all name-IP mappings but this became infeasible as the internet grew. DNS addresses this by hierarchically dividing the name space and distributing the mappings across multiple name servers. It uses a tree structure with domains like .com, .edu at the top level and subdomains below. DNS servers are authoritative for different zones and work together to resolve queries through either recursive or iterative queries.

DNS(Domain Name System)Vishal Mittal

The document discusses the Domain Name System (DNS), which translates domain names to IP addresses. It has three main components: the name space that defines the domain name structure, resolvers that extract information from name servers, and name servers that store information about the domain name structure. The DNS uses a hierarchical and distributed database to map domain names to IP addresses across a network like the internet.

Dns presentationAnurag Pandey

Domain Name SystemAashima Wadhwa

The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. A domain name represents an Internet Protocol (IP) resource ultimately identifiable by a numeric IP address. DNS servers store records that map domain names to IP addresses and vice versa. The DNS hierarchy consists of root name servers at the top, authoritative name servers for top-level domains and their subdomains below them. When a user enters a domain name, the DNS server first checks its cache and if it doesn't find a match, it queries authoritative name servers to resolve the IP address associated with the domain name.

Domain Name SystemABDUL GAFOOR K V

The Domain Name System (DNS) was invented in 1983 to translate between hostnames that are easy for humans to remember and IP addresses that computers use, through a hierarchical system where each part of a domain name separates levels of delegation down to individual host machines, with top-level domains and country domains at the top level managed by centralized authoritative name servers. DNS uses a distributed database across multiple name servers that can query each other to lookup and cache hostname to IP mappings, using both UDP and TCP protocols to handle queries and full database replication respectively.

Domain Name System (DNS)Dhingani Harshil

This document provides an overview of the Domain Name System (DNS). It describes how DNS uses domain names to map to IP addresses in a hierarchical structure. Key points include: - DNS allows users to use domain names like "example.com" instead of numeric IP addresses for easier identification of internet hosts. - DNS information is stored across multiple name servers to prevent a single point of failure. - The domain name space is divided into generic, country code, and inverse domains to organize names by usage and map addresses to names. - Domain names are read from right to left with the top-level domain at the far right, working left through more specific subdomains.

Domain name system (dns)Atikur Rahman

The document discusses the Domain Name System (DNS) and how it works. DNS is an internet directory service that maps hostnames to IP addresses, allowing users to use names instead of numbers. It uses a distributed, hierarchical system of name servers to perform this name resolution in a scalable way. DNS caches mappings for performance, starting queries at the highest level domains and following delegations between servers until the answer is found. DNS has become a major attack vector, so protection of DNS infrastructure and traffic is important.

Ad, dns, dhcp, file serverTola LENG

The document outlines the configuration of a network including a LAN server and LAN client. It describes setting up Active Directory, DNS, DHCP services on the LAN server with IP scopes and reservations. It also covers installing DHCP relay on the server to facilitate IP addressing between the server and LAN client subnet, as well as allowing users to access file shares, join the domain, and login with Active Directory credentials.

Linux and DNS ServerPrabhakar Thota

This document provides an overview of Linux and DNS server administration. It discusses what Linux is, where it is used, advantages of using Linux like low cost and security. It also explains what a DNS server is, components of DNS like domains, hostname, zones and how to configure a DNS server in Linux. Hackers prefer Linux due to its availability, customizability and prevalence on servers. Using public DNS services like Google DNS can help speed up internet access. Linux provides a flexible, secure and low-cost operating system for applications including web servers.

Intro to DNSThousandEyes

DNS ( Domain Name System)Prakhar Rastogi

6 understanding DHCPHameda Hurmat

The document discusses DHCP (Dynamic Host Configuration Protocol), including: - DHCP automates IP address assignment from a central server, simplifying network configuration. - It works via the DORA process of discovery, offer, request, and acknowledgement between clients and servers. - Advantages include easier management of large networks and automatic propagation of configuration changes. - Disadvantages include the server being a single point of failure and potential for misconfiguration to spread. - Key DHCP concepts discussed are scopes for managing address pools, exclusions, reservations, and relay agents.

Linux04 dns 2Jainul Musani

BIND DNS Configuration Red Hat 5Cheri Amour Calicdan

This document provides information on configuring the Berkeley Internet Name Domain (BIND) DNS server. It describes DNS and how resource records are organized hierarchically with domains and subdomains separated by periods. The document outlines the files needed to configure BIND, including the name.conf, zone files, and loopback file. It explains the directory structure for non-chrooted and chrooted configurations and provides troubleshooting commands.

More Related Content

What's hot (20)

Domain name serverMobile88

Domain Name System DNSAkshay Tiwari

DNSFTC

Dns serverSubrata Kumer Paul

Dns(Domain name system)Fâhém Ähmêd

DNS Recordkangting21

Dns server kajal sood

DNS ConfigurationVinod Gour

Domain name systemSiddharth Chandel

DNS(Domain Name System)Vishal Mittal

Dns presentationAnurag Pandey

Domain Name SystemAashima Wadhwa

Domain Name SystemABDUL GAFOOR K V

Domain Name System (DNS)Dhingani Harshil

Domain name system (dns)Atikur Rahman

Ad, dns, dhcp, file serverTola LENG

Linux and DNS ServerPrabhakar Thota

Intro to DNSThousandEyes

DNS ( Domain Name System)Prakhar Rastogi

6 understanding DHCPHameda Hurmat

Domain name serverMobile88

Domain Name System DNSAkshay Tiwari

DNSFTC

Dns serverSubrata Kumer Paul

Dns(Domain name system)Fâhém Ähmêd

DNS Recordkangting21

Dns server kajal sood

DNS ConfigurationVinod Gour

Domain name systemSiddharth Chandel

DNS(Domain Name System)Vishal Mittal

Dns presentationAnurag Pandey

Domain Name SystemAashima Wadhwa

Domain Name SystemABDUL GAFOOR K V

Domain Name System (DNS)Dhingani Harshil

Domain name system (dns)Atikur Rahman

Ad, dns, dhcp, file serverTola LENG

Linux and DNS ServerPrabhakar Thota

Intro to DNSThousandEyes

DNS ( Domain Name System)Prakhar Rastogi

6 understanding DHCPHameda Hurmat

Similar to DNS server configuration (20)

Linux04 dns 2Jainul Musani

BIND DNS Configuration Red Hat 5Cheri Amour Calicdan

Linux Administration Tutorial | Configuring A DNS Server In 10 Simple Steps |...Edureka!

DnsMd Shihab

The document provides step-by-step instructions for configuring a master DNS server on Linux. It discusses installing bind packages, configuring the named.conf and zones files to define domains and records, creating zone files for forward and reverse lookups, restarting services, and testing the name resolution. Key aspects covered include defining the master server IP, domains and records in the zones file, generating zone files from templates, configuring firewall rules and resolving configuration.

SFScon 22 - Dashamir Hoxha - Manage your own DNS.pdfSouth Tyrol Free Software Conference

1. primary dns using bind for a and cname record for ipv4 and ipv6Piyush Kumar

1. A primary DNS server is responsible for storing domain name and IP address mappings for a zone and responding to queries for that zone. Secondary DNS servers synchronize with the primary server to provide redundancy. 2. This document describes how to set up a primary DNS server on Linux using the bind package. It includes editing the named.conf configuration file to define a zone for the domain "piyush.com", creating the zone file, and testing queries to the new DNS server. 3. Key steps shown are installing bind, configuring named.conf to define the zone and location of the zone file, editing the zone file to define name-IP mappings, restarting named, and verifying queries to the DNS

Domain Name Servicewebhostingguy

6. reverse primarydns using bind for ptr and cname record ipv6 with forwarderPiyush Kumar

Dns server setup on ubuntu vps (master+slave)Vijay Sharma

This document discusses configuring a DNS server on Ubuntu 14.04. It begins by explaining what a DNS server is and its purpose in resolving hostnames to IP addresses. It then discusses the different types of DNS server zones (forward and reverse) and record types (A, MX, NS, CNAME, PTR). It explains the differences between a master and slave DNS server. Finally, it provides instructions for setting up a master DNS server and configuring it with records, as well as setting up a slave server and configuring it to sync with the master.

Linux AddministrationPandeyABHISHEK1

To set up a primary name server, there are a few key steps: 1. Install the bind package and ensure the named.conf file defines the correct directory, port, and IP addresses. 2. Open the named.rfc1912.zones file and create a definition for the domain to be served, such as example.com. 3. Create a configuration file for the domain in the /var/named directory and populate it with hostnames. 4. Configure the local resolver to point to the new DNS server and verify lookups are returning correct information.

Modul server debian 5UNISKA, SMK Telkom Banjarbaru

This document provides instructions for configuring IP addresses, hostnames, DHCP server, and DNS server on a Debian Lenny server. It describes editing configuration files such as interfaces, hostname, and dhcpd.conf to set the IP address, netmask, gateway and hostname. It also explains installing the dhcp3-server and bind9 packages and editing files such as dhcpd.conf and named.conf to configure the DHCP and DNS servers, respectively. Commands shown include ifconfig, hostname, service networking commands, and apt-get install.

ppt-domain-name-system-04-200100 (1).pptTeddyIswahyudi1

he Domain Name System (DNS) is the phonebook of the Internet. Humans access information online through domain names, like nytimes.com or espn.com. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can load Internet resources. ach device connected to the Internet has a unique IP address which other machines use to find the device. DNS servers eliminate the need for humans to memorize IP addresses such as 192.168.1.1 (in IPv4), or more complex newer alphanumeric IP addresses such as 2400:cb00:2048:1::c629:d7a2 (in IPv6). he process of DNS resolution involves converting a hostname (such as www.example.com) into a computer-friendly IP address (such as 192.168.1.1). An IP address is given to each device on the Internet, and that address is necessary to find the appropriate Internet device - like a street address is used to find a particular home. When a user wants to load a webpage, a translation must occur between what a user types into their web browser (example.com) and the machine-friendly address necessary to locate the example.com webpage. In order to understand the process behind the DNS resolution, it’s important to learn about the different hardware components a DNS query must pass between. For the web browser, the DNS lookup occurs "behind the scenes" and requires no interaction from the user’s computer apart from the initial request. DNS recursor - The recursor can be thought of as a librarian who is asked to go find a particular book somewhere in a library. The DNS recursor is a server designed to receive queries from client machines through applications such as web browsers. Typically the recursor is then responsible for making additional requests in order to satisfy the client’s DNS query. Root nameserver - The root server is the first step in translating (resolving) human readable host names into IP addresses. It can be thought of like an index in a library that points to different racks of books - typically it serves as a reference to other more specific locations. TLD nameserver - The top level domain server (TLD) can be thought of as a specific rack of books in a library. This nameserver is the next step in the search for a specific IP address, and it hosts the last portion of a hostname (In example.com, the TLD server is “com”). Authoritative nameserver - This final nameserver can be thought of as a dictionary on a rack of books, in which a specific name can be translated into its definition. The authoritative nameserver is the last stop in the nameserver query. If the authoritative name server has access to the requested record, it will return the IP address for the requested hostname back to the DNS Recursor (the librarian) that made the initial request. Both concepts refer to servers (groups of servers) that are integral to the DNS infrastructure, but each performs a different role and lives in different locations inside the pipeline of a DNS query. One way to

Dnstmavroidis

The document discusses the Domain Name System (DNS) which maps domain names to IP addresses. DNS uses a client-server model where clients (resolvers) query name servers to lookup addresses. It describes the hierarchical namespace structure and how names are organized into domains with labels separated by dots. Resource records containing domain, type, class and data are stored in distributed databases to map names and addresses. Caching improves performance by storing recent lookups.

2. reverse primarydns using bind for ptr and cname record ipv4Piyush Kumar

This document provides instructions for setting up a primary DNS server on Linux using the bind package. It involves installing bind, configuring the named.conf file to define zones for networks, creating zone files for the reverse lookup of IP addresses, adding PTR records to map IP addresses to hostnames, and restarting the named service. Setting up a primary DNS server allows a network to locally resolve hostnames, rather than relying on external DNS servers.

Ubuntu vps setupVijay Sharma

Configuration of BIND DNS Server On CentOS 8Kaan Aslandağ

This document provides instructions for configuring a BIND DNS server on CentOS 8. It involves installing the BIND packages, enabling the named service to start at reboot, editing the configuration files to listen on all interfaces and define the forward and reverse DNS zones. The forward zone maps hostnames to IP addresses, while the reverse zone maps IP addresses to hostnames. The zone files are then created and validated before restarting the named service.

DNS SERVERMOHSIN HASAN

This document provides instructions for configuring a DNS server with static IP addressing and domain name resolution. It describes installing and configuring the bind package to enable DNS services, editing configuration files like named.conf and zone files, and testing the DNS server setup using commands like dig and nslookup. The DNS server is configured to resolve hostnames for the example.com domain and provide forward and reverse lookups once the named service is restarted.

15 Setup BIND 9Hameda Hurmat

This document discusses BIND 9, an open source implementation of DNS software. It provides instructions on installing and configuring BIND 9 on an Ubuntu system. Key points covered include installing BIND 9 and related tools using apt, configuring files such as named.conf.options and named.conf.local to define zones and records, testing with dig and nslookup commands, and enabling the DNS port on firewalls.

DNS and Troubleshooting DNS issues in LinuxKonkona Basu

The DNS is the system that translates domain names to IP addresses on the internet. It was created in 1983 and allows users to reference internet resources by name. The document then describes the step-by-step resolution process where a client's request is recursively resolved through root servers, TLD servers, and authoritative name servers to return the requested IP address. It also discusses caching for improved performance and common issues like hostname-IP mismatches that can be resolved by editing host files and DNS records.

3. reverse primarydns using bind for ptr and cname record ipv6Piyush Kumar

This document describes how to configure a primary DNS server on Linux using BIND to serve PTR records for reverse DNS lookups of IPv6 addresses. It involves installing BIND, configuring named.conf to define zones for IPv6 address blocks, creating zone files with PTR records, and testing lookups. Key steps include defining options and zones in named.conf, copying an existing zone file and modifying it to include PTR records that map IPv6 addresses to domain names, and restarting BIND. This allows the server to resolve IPv6 addresses to names and function as the primary DNS server for its defined zones.

Linux04 dns 2Jainul Musani

BIND DNS Configuration Red Hat 5Cheri Amour Calicdan

Linux Administration Tutorial | Configuring A DNS Server In 10 Simple Steps |...Edureka!

DnsMd Shihab

SFScon 22 - Dashamir Hoxha - Manage your own DNS.pdfSouth Tyrol Free Software Conference

1. primary dns using bind for a and cname record for ipv4 and ipv6Piyush Kumar

Domain Name Servicewebhostingguy

6. reverse primarydns using bind for ptr and cname record ipv6 with forwarderPiyush Kumar

Dns server setup on ubuntu vps (master+slave)Vijay Sharma

Linux AddministrationPandeyABHISHEK1

Modul server debian 5UNISKA, SMK Telkom Banjarbaru

ppt-domain-name-system-04-200100 (1).pptTeddyIswahyudi1

Dnstmavroidis

2. reverse primarydns using bind for ptr and cname record ipv4Piyush Kumar

Ubuntu vps setupVijay Sharma

Configuration of BIND DNS Server On CentOS 8Kaan Aslandağ

DNS SERVERMOHSIN HASAN

15 Setup BIND 9Hameda Hurmat

DNS and Troubleshooting DNS issues in LinuxKonkona Basu

3. reverse primarydns using bind for ptr and cname record ipv6Piyush Kumar

More from Sanguine_Eva (7)

BERMUDA TRIANGLESanguine_Eva

The document discusses the mysteries of the Bermuda Triangle, where numerous ships and planes have disappeared over the years. It outlines several theories for what may have caused disappearances, such as methane gas bubbles exploding and magnetic anomalies interfering with equipment. While some facts like reported incidents are presented, it is acknowledged that the mysteries remain unsolved. The Bermuda Triangle continues to intrigue researchers seeking scientific explanations for the losses that have occurred there.

JDEdwards E1 SecuritySanguine_Eva

JD Edwards EnterpriseOne uses object level security to control user access and permissions. It enables administrators to secure individual applications, forms, tables, fields, and other objects. There are different types of security, including application security, action security, row security, and tab security. The system also supports user-based and system-based security approaches, and security is defined and managed through the User Security and Security Workbench applications.

Computer viruses and antivirusesSanguine_Eva

A computer virus is a malicious program that can copy itself and infect computers without permission. It spreads when an infected computer is connected to uninfected ones, such as via a network or removable storage. There are different types of viruses that infect different parts of a computer system. Malware is a broader term that includes viruses as well as other malicious software like spyware, adware, worms, and trojans. Anti-virus software uses techniques like signature matching, sandboxing, and heuristics to identify and remove viruses and other malware from an infected system. Users should practice safe computing habits and use anti-virus software to help prevent and remove virus infections.

26/11 MUMBAISanguine_Eva

1) On November 26, 2008, 10 terrorists carried out a series of coordinated attacks in Mumbai, India, killing 166 people. 2) The attacks lasted nearly 3 days and targeted multiple locations, including Chhatrapati Shivaji Terminus railway station, the Taj Mahal Palace Hotel, the Oberoi Trident Hotel, and Nariman House. 3) The lone surviving gunman, Ajmal Kasab, was convicted of murder, conspiracy, and waging war against India and was given the death penalty.

Area 51Sanguine_Eva

Cyber Crime and Security Sanguine_Eva

The document discusses cyber crime, including defining it as criminal acts using computers and networks. It categorizes cyber crime and lists common types of cyber attacks such as hacking, denial of service attacks, computer vandalism, and cyber terrorism. It also discusses security measures at both the organizational and personal level to help prevent cyber crime such as using virus detection software, firewalls, encryption, and being cautious about sharing personal information online.

Google App EngineSanguine_Eva

Apps are software programs that run on devices like phones, computers, or online. Google Apps are a suite of online services and applications provided by Google. Google App Engine allows developers to host web applications on Google's servers and infrastructure. It provides automatic scaling, high availability, security, and is easy to use. Developers can get started for free with App Engine and pay only for additional resources needed beyond free usage limits.

BERMUDA TRIANGLESanguine_Eva

JDEdwards E1 SecuritySanguine_Eva

Computer viruses and antivirusesSanguine_Eva

26/11 MUMBAISanguine_Eva

Area 51Sanguine_Eva

Cyber Crime and Security Sanguine_Eva

Google App EngineSanguine_Eva

Recently uploaded (20)

IEDM 2024 Tutorial2_Advances in CMOS Technologies and Future Directions for C...organizerofv

Increasing Retail Store Efficiency How can Planograms Save Time and Money.pptxAnoop Ashok

Procurement Insights Cost To Value Guide.pptxJon Hansen

TrustArc Webinar: Consumer Expectations vs Corporate Realities on Data Broker...TrustArc

Most consumers believe they’re making informed decisions about their personal data—adjusting privacy settings, blocking trackers, and opting out where they can. However, our new research reveals that while awareness is high, taking meaningful action is still lacking. On the corporate side, many organizations report strong policies for managing third-party data and consumer consent yet fall short when it comes to consistency, accountability and transparency. This session will explore the research findings from TrustArc’s Privacy Pulse Survey, examining consumer attitudes toward personal data collection and practical suggestions for corporate practices around purchasing third-party data. Attendees will learn: - Consumer awareness around data brokers and what consumers are doing to limit data collection - How businesses assess third-party vendors and their consent management operations - Where business preparedness needs improvement - What these trends mean for the future of privacy governance and public trust This discussion is essential for privacy, risk, and compliance professionals who want to ground their strategies in current data and prepare for what’s next in the privacy landscape.

Role of Data Annotation Services in AI-Powered ManufacturingAndrew Leo

2025-05-Q4-2024-Investor-Presentation.pptxSamuele Fogagnolo

AI Changes Everything – Talk at Cardiff Metropolitan University, 29th April 2...Alan Dix

Talk at the final event of Data Fusion Dynamics: A Collaborative UK-Saudi Initiative in Cybersecurity and Artificial Intelligence funded by the British Council UK-Saudi Challenge Fund 2024, Cardiff Metropolitan University, 29th April 2025 https://alandix.com/academic/talks/CMet2025-AI-Changes-Everything/ Is AI just another technology, or does it fundamentally change the way we live and think? Every technology has a direct impact with micro-ethical consequences, some good, some bad. However more profound are the ways in which some technologies reshape the very fabric of society with macro-ethical impacts. The invention of the stirrup revolutionised mounted combat, but as a side effect gave rise to the feudal system, which still shapes politics today. The internal combustion engine offers personal freedom and creates pollution, but has also transformed the nature of urban planning and international trade. When we look at AI the micro-ethical issues, such as bias, are most obvious, but the macro-ethical challenges may be greater. At a micro-ethical level AI has the potential to deepen social, ethnic and gender bias, issues I have warned about since the early 1990s! It is also being used increasingly on the battlefield. However, it also offers amazing opportunities in health and educations, as the recent Nobel prizes for the developers of AlphaFold illustrate. More radically, the need to encode ethics acts as a mirror to surface essential ethical problems and conflicts. At the macro-ethical level, by the early 2000s digital technology had already begun to undermine sovereignty (e.g. gambling), market economics (through network effects and emergent monopolies), and the very meaning of money. Modern AI is the child of big data, big computation and ultimately big business, intensifying the inherent tendency of digital technology to concentrate power. AI is already unravelling the fundamentals of the social, political and economic world around us, but this is a world that needs radical reimagining to overcome the global environmental and human challenges that confront us. Our challenge is whether to let the threads fall as they may, or to use them to weave a better future.

Generative Artificial Intelligence (GenAI) in BusinessDr. Tathagat Varma

DevOpsDays Atlanta 2025 - Building 10x Development Organizations.pptxJustin Reock

Building 10x Organizations with Modern Productivity Metrics 10x developers may be a myth, but 10x organizations are very real, as proven by the influential study performed in the 1980s, ‘The Coding War Games.’ Right now, here in early 2025, we seem to be experiencing YAPP (Yet Another Productivity Philosophy), and that philosophy is converging on developer experience. It seems that with every new method we invent for the delivery of products, whether physical or virtual, we reinvent productivity philosophies to go alongside them. But which of these approaches actually work? DORA? SPACE? DevEx? What should we invest in and create urgency behind today, so that we don’t find ourselves having the same discussion again in a decade?

Linux Professional Institute LPIC-1 Exam.pdfRHCSA Guru

#StandardsGoals for 2025: Standards & certification roundup - Tech Forum 2025BookNet Canada

Book industry standards are evolving rapidly. In the first part of this session, we’ll share an overview of key developments from 2024 and the early months of 2025. Then, BookNet’s resident standards expert, Tom Richardson, and CEO, Lauren Stewart, have a forward-looking conversation about what’s next. Link to recording, transcript, and accompanying resource: https://bnctechforum.ca/sessions/standardsgoals-for-2025-standards-certification-roundup/ Presented by BookNet Canada on May 6, 2025 with support from the Department of Canadian Heritage.

Into The Box Conference Keynote Day 1 (ITB2025)Ortus Solutions, Corp

SAP Modernization: Maximizing the Value of Your SAP S/4HANA Migration.pdfPrecisely

HCL Nomad Web – Best Practices and Managing Multiuser Environmentspanagenda

Webinar Recording: https://www.panagenda.com/webinars/hcl-nomad-web-best-practices-and-managing-multiuser-environments/ HCL Nomad Web is heralded as the next generation of the HCL Notes client, offering numerous advantages such as eliminating the need for packaging, distribution, and installation. Nomad Web client upgrades will be installed “automatically” in the background. This significantly reduces the administrative footprint compared to traditional HCL Notes clients. However, troubleshooting issues in Nomad Web present unique challenges compared to the Notes client. Join Christoph and Marc as they demonstrate how to simplify the troubleshooting process in HCL Nomad Web, ensuring a smoother and more efficient user experience. In this webinar, we will explore effective strategies for diagnosing and resolving common problems in HCL Nomad Web, including - Accessing the console - Locating and interpreting log files - Accessing the data folder within the browser’s cache (using OPFS) - Understand the difference between single- and multi-user scenarios - Utilizing Client Clocking

Semantic Cultivators : The Critical Future Role to Enable AIartmondano

Manifest Pre-Seed Update | A Humanoid OEM Deeptech In Francechb3

Complete Guide to Advanced Logistics Management Software in Riyadh.pdfSoftware Company

Explore the benefits and features of advanced logistics management software for businesses in Riyadh. This guide delves into the latest technologies, from real-time tracking and route optimization to warehouse management and inventory control, helping businesses streamline their logistics operations and reduce costs. Learn how implementing the right software solution can enhance efficiency, improve customer satisfaction, and provide a competitive edge in the growing logistics sector of Riyadh.

Transcript: #StandardsGoals for 2025: Standards & certification roundup - Tec...BookNet Canada

Book industry standards are evolving rapidly. In the first part of this session, we’ll share an overview of key developments from 2024 and the early months of 2025. Then, BookNet’s resident standards expert, Tom Richardson, and CEO, Lauren Stewart, have a forward-looking conversation about what’s next. Link to recording, presentation slides, and accompanying resource: https://bnctechforum.ca/sessions/standardsgoals-for-2025-standards-certification-roundup/ Presented by BookNet Canada on May 6, 2025 with support from the Department of Canadian Heritage.

Dev Dives: Automate and orchestrate your processes with UiPath MaestroUiPathCommunity

This session is designed to equip developers with the skills needed to build mission-critical, end-to-end processes that seamlessly orchestrate agents, people, and robots. 📕 Here's what you can expect: - Modeling: Build end-to-end processes using BPMN. - Implementing: Integrate agentic tasks, RPA, APIs, and advanced decisioning into processes. - Operating: Control process instances with rewind, replay, pause, and stop functions. - Monitoring: Use dashboards and embedded analytics for real-time insights into process instances. This webinar is a must-attend for developers looking to enhance their agentic automation skills and orchestrate robust, mission-critical processes. 👨‍🏫 Speaker: Andrei Vintila, Principal Product Manager @UiPath This session streamed live on April 29, 2025, 16:00 CET. Check out all our upcoming Dev Dives sessions at https://community.uipath.com/dev-dives-automation-developer-2025/.

Massive Power Outage Hits Spain, Portugal, and France: Causes, Impact, and On...Aqusag Technologies