What is Authoritative and Non-authoritative DNS Server? Understand the difference between Authoritative and Non-answer for DNS query in simple words. What is Non-Authoritative DNS Server? Non-authoritative name servers do not contain original source files of domain’s zone. They have a cache file for the domains that is constructed from all the DNS lookups done...
Nslookup stands for “name server lookup” is a useful command for getting information from DNS server. It also very useful for troubleshooting DNS related issues. It queries to DNS (Domain Name Server) and get the dns records for any domain for ip address. In this tutorial you will get some useful examples for nslookup...
To configure your system on network and access internet. You also need to configure dns server. It is necessary to access websites by their name. When we visit a website, system first search for dns server we provided in configuration file. Then query to that DNS server for providing ip address corresponding to that...
The Domain Name System (DNS) is a hierarchical distributed naming system for computers connected over network. It resolves ip address correspondence to a domain name. A forward only dns server does not keep the domain information. If any query comes to this server, it forward it to configured dns server. A details information about...
The Domain Name System (DNS) is a hierarchical distributed naming system for computers connected over network. It resolves ip address correspondence to a domain name. There are four type of dns servers . This article will help you to configure dns server (Domain Name System) using bind packages on Ubuntu, Debian and LinuxMint systems....
When you access any domain from your system, an IP of the remote system is resolved by the DNS server. When you access it the first time, IP is directly resolved from DNS server’s, then system makes a cache on the local system to not to send a query to DNS server each time...
MX records in DNS are used to route emails to correct mail servers and properly send to correct destination server. If you are using Google apps account for hosting email accounts on Google servers for your domains, then you need to add following MX records in your domains DNS configuration. Google Apps MX Records:...
Definition at Wikipedia: Caching name servers, also called DNS caches, store DNS query results for a period of time determined in the configuration (time-to-live) of each domain-name record. DNS caches improve the efficiency of the DNS by reducing DNS traffic across the Internet, and by reducing load on authoritative name-servers, particularly root name-servers. Because...
Command named-checkconf checks the syntax only of a named ( bind ) configuration file. The file is parsed and checked for syntax errors, along with all files included by it. If there are no file is specified with command, /etc/named.conf is read by default. Tip 1: Check DNS (Bind) Configuration In case of any...
The DNS (Domain Name System) is a distributed system, used for translate domain names to IP address and vice a versa.For example when we type domain name in browser url like “https://tecadmin.net”, Our computer sends a request to DNS and get an ip address of domain. This article will help you to step by...