multiple answers from the same server
Haim [Howard] Roman
roman at jct.ac.il
Thu Dec 20 11:47:07 UTC 2007
The command "host -v www.drama.org" returns *3* answers from the *same*
DNS server. Here is the output (I put dashed lines between each answer):
-----------------------------------------------------------------------------------------
Trying "www.drama.org"
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48074
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION:
;www.drama.org. IN A
;; ANSWER SECTION:
www.drama.org. 1802 IN A 208.73.212.12
;; AUTHORITY SECTION:
drama.org. 80368 IN NS ns1.dsredirection.com.
drama.org. 80368 IN NS ns2.dsredirection.com.
Received 100 bytes from 147.161.1.4#53 in 0 ms
- - - - - - - - - - - - - - - - - - - - - - - - - - - -
Trying "www.drama.org"
Host www.drama.org not found: 2(SERVFAIL)
Received 31 bytes from 147.161.1.4#53 in 483 ms
- - - - - - - - - - - - - - - - - - - - - - - - - - - -
Trying "www.drama.org"
Host www.drama.org not found: 2(SERVFAIL)
Received 31 bytes from 147.161.1.4#53 in 471 ms
------------------------------------------------------------------------------------------
This happens only when I run on one particular station (Debian 4.0, AMD
64-bit). On other computers (Linux and Solaris), "host" (or "nslookup")
return only *1* answer.
In addition, "dig" returns only the 1st answer.
Any ideas what is happening? Thanks.
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Haim (Howard) Roman
Computer Center, Jerusalem College of Technology
roman at jct.ac.il
Phone: 052-8-592-599 (6022 from within Machon Lev)
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