Help tracing out a strange lookup case

[Robert Spangler]

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