Odd DNS responses for www.neopets.com
Crist J. Clark
crist.clark at attbi.com
Fri Feb 7 22:28:49 UTC 2003
David Russell wrote:
> > Maybe it's just me, but isn't there something odd about a DNS query
> > coming back with 78 entries for the same host? It sends back an UDP
> > packet that gets truncated and the DNS resolver reverts to TCP to get
> > the full list.
[snip]
> >
> > It seems to cause problems with Windows clients and/or Windows DNS
> > servers. Seems like overkill.
> >
> I feel your pain because I use a DNS module in my scripts that craps out
> when it sees one of these truncated packets, but then the problem is with
> the client and not DNS. It is too bad that the DNS packet size can't be
> increased to 1500B.
It can, RFC2671.
--
Crist J. Clark | cjclark at alum.mit.edu
| cjclark at jhu.edu
http://people.freebsd.org/~cjc/ | cjc at freebsd.org
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