A DNS server takes a domain or computer name and returns an IP address. This is a transparent function that is related to websurfing and many other network processes.
A DNS server translates a computer or domain name to the associated IP address.
top level
The prefered DNS server for the site is the server which sends the dns zone updates to all the other servers in the site. The primary DNS zone is created on the server and it has the authority to send changes in zone to other servers
DNS Servers
DNS servers
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Using reliable DNS servers is crucial to online success, for a regular website owner the most important of them are the name servers which are responsible for the online solution and with a static DNS you can rely on it instead of a random DNS server.
DomainDNSZones
If a DNS server cannot find the answer to the DNS Query in its own database it will first query the forwarders (if there are any configured) and then ask the root server. root servers (by default) are the master DNS servers of the Internet.
There are mail servers, FTP servers, Web servers, DNS servers, DHCP Servers, those are the most common types
Domain name queries are handled by the DNS Servers. The most popular DNS server software is BIND 9.
Forward lookup zones
Encase one of the servers fail