Re: How common is lack of DNS server diversity?

[Havard.Eidnes () runit sintef no]

> <Root server> ::= Any DNS server that has final authority for a
> <domain tier/level>;

That's what's commonly referred to as an "authoritative name
server" for the zone in question.

I'll side with Bill M: a "root DNS name server" serves the root
zone, aka. ".".

Regards,

- Håvard