On May 13, 2009, at 6:51 AM, Stephane Bortzmeyer wrote:
On Wed, May 13, 2009 at 09:02:55PM +0800,
Tech W. <tech...@yahoo.com.cn> wrote
a message of 34 lines which said:
I want to give two NS records for my domain, each NS take each of
the IP set in the host.
Why? This would be completely useless. RFC 1034 and other documents
call for at least two name servers, for redundancy reasons. If the two
name servers are on the same host, what's the point? There would be no
gain in reliability.
If you have ever had the ip for your name server the target of a dos
attack you could have blocked traffic to that ip and still had dns.
Two networks to same host is network redundancy and has value.
//Brad
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