Domain Name System
It translates the domain name such as przegląd koniski.pl to the
aproparite IP addres so the system knows how to get it - Dns could
contains the inforamtion about user
IP name server (the server that
ranslates the target name name to and IP addres) - Dig shows the
Dns - ns for name server - mx for mail exchange server > result
>
Allot of the times its related with BIND
Distribiuted database
- Many DNS servers
- 13 root server clusters (Over 1000 acttual servers)
- Hundreds of generic top-level domains (gTLDs)
- (.com,.org,*.net)
- Over 275 country code top-level domains (ccTLDs)
- (.us,.pl,.uk) ## Changing Dns server (resolve.conf)
etc In order to do it change the file /etc/resolv.conf on your
systmem - U can check it with the resolvectl
>For DHCP
server > >If you’re using
a DHCP address and the DHCP server provides a DNS setting, the
DHCP server will replace the contents of the file when it renews the
DHCP address.