From owner-freebsd-stable@FreeBSD.ORG  Tue Apr 24 08:33:36 2007
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Date: Tue, 24 Apr 2007 18:33:12 +1000 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: Howard Leadmon <howard@leadmon.net>
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Cc: freebsd-stable@freebsd.org
Subject: Re: FreeBSD DNS Resolver Issues?
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Sorry following up on my own post: a correction and some further info: 

On Tue, 24 Apr 2007, Ian Smith wrote:
[..]
 > At (one set of) the listed NServers:
 > 
 > =======
 > ; <<>> DiG 9.3.4 <<>> @lp1.wtplaw.com. mail.wtplaw.com.
 > ; (1 server found)
 > ;; global options:  printcmd
 > ;; Got answer:
 > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24202
 > ;; flags: qr aa; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
 > 
 > ;; QUESTION SECTION:
 > ;mail.wtplaw.com.               IN      A
 > 
 > ;; ANSWER SECTION:
 > mail.wtplaw.com.        3       IN      A       66.166.181.163
 > mail.wtplaw.com.        3       IN      A       65.111.69.228
 > 
 > ;; Query time: 268 msec
 > ;; SERVER: 65.111.69.226#53(65.111.69.226)
 > ;; WHEN: Tue Apr 24 15:57:00 2007
 > ;; MSG SIZE  rcvd: 65
 > =======
 > 
 > Note no A record provided for mail.wtplaw.com; same digging
 > @lp2.wtplaw.com. So trying the 'other' listed NServers above:

That's wrong of course; it is returning two A RRs for mail.wtplaw.com.
however a) they always show 3 (three!) seconds TTL on those records, and
b) these two NS, lp1.wtplaw.com. and lp1.wtplaw.com. , aren't shown as
authoritative, and c) aren't even auth. / don't work for themselves!

=======
smithi on paqi% dig @lp1.wtplaw.com. lp1.wtplaw.com.

; <<>> DiG 9.3.4 <<>> @lp1.wtplaw.com. lp1.wtplaw.com.
; (1 server found)
;; global options:  printcmd
;; connection timed out; no servers could be reached

smithi on paqi% dig @lp2.wtplaw.com. lp2.wtplaw.com.

; <<>> DiG 9.3.4 <<>> @lp2.wtplaw.com. lp2.wtplaw.com.
; (1 server found)
;; global options:  printcmd
;; connection timed out; no servers could be reached
=======

Cheers, Ian