In article <guel1o$2ds...@sf1.isc.org>, Bradley Giesbrecht <b...@pixilla.com> wrote:
> 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. But a in that case you would include one NS record for a host with two A records. Check the NS records for my own domain for an example. Sam _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
