Understanding DNS—anatomy of a BIND zone file

If you want to be a sysadmin or network administrator of any kind, there’s a fundamental technology you really need to understand—DNS, the Domain Name System. There was a time when a sysadmin with no aspirations to managing Internet-accessible services might have gotten by without understanding DNS, but that time is long, long gone.

A helpful look at DNS zone files — I’ve been editing my own domain zone files more frequently since transferring my domains to Gandi.

The process can be a bit confusing at first and format-specific plain text is certainlty intimidating, but it proves to be much more efficient when making more than a one-off change or in cases where you’re adapting a similar zone file from another domain to meet the configuration needs of a new one.