Help tracing out a strange lookup case
Robert Spangler
mlists at zoominternet.net
Thu Dec 25 03:31:19 UTC 2008
On Wednesday 24 December 2008 20:13, Scott Haneda wrote:
> Trying to help a client, they stumped me today.
OK, I get the sam answers form all the NS servers.
> dig crm.share-ideas.com
>
> ; <<>> DiG 9.4.2-P2 <<>> crm.share-ideas.com
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35978
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;crm.share-ideas.com. IN A
>
> ;; ANSWER SECTION:
> crm.share-ideas.com. 3600 IN A 213.242.225.169
>
> ;; Query time: 999 msec
> ;; SERVER: 208.57.0.11#53(208.57.0.11)
> ;; WHEN: Wed Dec 24 07:51:24 2008
> ;; MSG SIZE rcvd: 53
Without seeing what the command line arguments were it's hard to tell why you
got the following.
> ; <<>> DiG 9.4.2-P2 <<>> crm.share-ideas.com
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2018
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;crm.share-ideas.com. IN A
>
> ;; ANSWER SECTION:
> crm.share-ideas.com. 3380 IN CNAME share-ideas.com.
> share-ideas.com. 3600 IN A 89.111.181.186
>
> ;; Query time: 241 msec
> ;; SERVER: 208.57.0.10#53(208.57.0.10)
> ;; WHEN: Wed Dec 24 07:52:47 2008
> ;; MSG SIZE rcvd: 67
> Currently, I can not replicate this behavior. Maybe they made a
> chance, it it just did not make it out to the rr's fast, I am waiting
> on a reply for that question. How can I see the serial in a zone, is
> that possible?
dig crm.share-ideas.com soa
> What stumps me is the following, run here, at a coffee shop, I am
> using openDNS
> dig crm.share-ideas.com @208.57.0.10 A +trace
> dig crm.share-ideas.com @208.57.0.11 A +trace
>
> Both work, I get a answer back from
> ;; Received 126 bytes from 193.0.14.129#53(k.root-servers.net) in 2 ms
> crm.share-ideas.com. 1611 IN A 213.242.225.169
>
> What also has me wonering, is if I ssh into my clients machine, which
> has the ISP's rr listed on that machine to be used, I can not get
> anything back:
>
> dig crm.share-ideas.com @208.57.0.10 A +trace
> ;; connection timed out; no servers could be reached
>
> dig crm.share-ideas.com @208.57.0.11 A +trace
> ;; global options: printcmd
> ;; connection timed out; no servers could be reached
>
> Those two command work anywhere else, just not on his machine for some
> reason. Stumped. Thanks.
Firewall blocking the port?
No DNS servers setup?
--
Regards
Robert
Linux User #296285
http://counter.li.org
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