[OT] Weird DNS Problem
Tim
ignored_mailbox at yahoo.com.au
Mon Nov 6 06:53:02 UTC 2006
On Sun, 2006-11-05 at 23:16 -0700, David G. Miller wrote:
> None of my internal boxes (three running FC6 plus my wife's W2K box) can
> resolve the address of my ISP's web site.
>
> The only thing I can find that's at all odd is dig returns:
>
> [root at fraud ~]# dig any mesanetworks.net
>
> ; <<>> DiG 9.2.4 <<>> any mesanetworks.net
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29964
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
>
> ;; QUESTION SECTION:
> ;mesanetworks.net. IN ANY
>
> ;; ANSWER SECTION:
> mesanetworks.net. 8620 IN NS ns1.mesanetworks.net.
> mesanetworks.net. 8620 IN NS ns2.mesanetworks.net.
>
> ;; AUTHORITY SECTION:
> mesanetworks.net. 8620 IN NS ns1.mesanetworks.net.
> mesanetworks.net. 8620 IN NS ns2.mesanetworks.net.
>
> ;; ADDITIONAL SECTION:
> ns1.mesanetworks.net. 8620 IN A 69.93.53.228
> ns2.mesanetworks.net. 8620 IN A 69.93.53.229
>
> ;; Query time: 6 msec
> ;; SERVER: 72.19.169.230#53(72.19.169.230)
> ;; WHEN: Sun Nov 5 21:43:14 2006
> ;; MSG SIZE rcvd: 130
>
> for their domain (www.mesanetworks.net resolves to a CNAME that points
> to mesanetworks.net). Note the absence of an IP address in the answer
> section.
I had similar results:
]$ dig any mesanetworks.net
; <<>> DiG 9.3.3rc2 <<>> any mesanetworks.net
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8959
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;mesanetworks.net. IN ANY
;; ANSWER SECTION:
mesanetworks.net. 172800 IN NS ns1.mesanetworks.net.
mesanetworks.net. 172800 IN NS ns2.mesanetworks.net.
;; AUTHORITY SECTION:
mesanetworks.net. 172800 IN NS ns2.mesanetworks.net.
mesanetworks.net. 172800 IN NS ns1.mesanetworks.net.
;; ADDITIONAL SECTION:
ns1.mesanetworks.net. 172800 IN A 69.93.53.228
ns2.mesanetworks.net. 172800 IN A 69.93.53.229
;; Query time: 269 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Nov 6 16:53:52 2006
;; MSG SIZE rcvd: 130
But did get an A record after removing the "any" option, and repeating
the query:
]$ dig any mesanetworks.net
; <<>> DiG 9.3.3rc2 <<>> any mesanetworks.net
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55332
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;mesanetworks.net. IN ANY
;; ANSWER SECTION:
mesanetworks.net. 523 IN A 69.93.53.250
mesanetworks.net. 511 IN NS ns2.mesanetworks.net.
mesanetworks.net. 511 IN NS ns1.mesanetworks.net.
;; AUTHORITY SECTION:
mesanetworks.net. 511 IN NS ns1.mesanetworks.net.
mesanetworks.net. 511 IN NS ns2.mesanetworks.net.
;; ADDITIONAL SECTION:
ns1.mesanetworks.net. 14311 IN A 69.93.53.228
ns2.mesanetworks.net. 14311 IN A 69.93.53.229
;; Query time: 2 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Nov 6 16:55:57 2006
;; MSG SIZE rcvd: 146
> If anyone has any suggestions, please let me know. My ISP says
> everything is ducky on their side.
Perhaps something IS wonky on their network. I had the same results on
querying more than one DNS server, here. The first attempt to "dig any
mesanetworks.net" doesn't work, nor does repeating it. But, do a "dig
mesanetworks.net" (without the "any" option), and you get an A record
returned, and any query after that works, too.
NB: There's also a change in the values written before "IN" on
subsequent queries.
<http://www.dnsreport.com/tools/dnsreport.ch?domain=mesanetworks.net>
shows some errors. Note that some warning are less important than
others.
--
(Currently testing FC5, but still running FC4, if that's important.)
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