Last modified: 2011-03-13 14:01:29 UTC

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Bug 28018 - Wikimedia servers respond with 'FORMERR' to queries for AAAA records
Wikimedia servers respond with 'FORMERR' to queries for AAAA records
Status: RESOLVED WORKSFORME
Product: Wikimedia
Classification: Unclassified
DNS (Other open bugs)
unspecified
All All
: Normal normal (vote)
: ---
Assigned To: Nobody - You can work on this!
: ipv6
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2011-03-12 23:58 UTC by Michael Mol
Modified: 2011-03-13 14:01 UTC (History)
4 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

Attachments
Excerpt from my syslog showing logged errors from bind. (3.20 KB, text/plain)
2011-03-12 23:58 UTC, Michael Mol 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Michael Mol 2011-03-12 23:58:53 UTC 
Created attachment 8286 [details]
Excerpt from my syslog showing logged errors from bind.

While it's OK for WM servers to not _have_ AAAA records, the response to queries for them shouldn't be 'FORMERR'. FORMERR is an unusual error condition, and the lack of a record type doesn't warrant it.
Comment 1 Antoine "hashar" Musso (WMF) 2011-03-13 09:45:54 UTC 
I can not reproduce the issue here. It looks like it comes from your local resolver or a local DNS proxy.


$ dig AAAA www.mediawiki.org

; <<>> DiG 9.7.3 <<>> AAAA www.mediawiki.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25594
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.mediawiki.org.		IN	AAAA

;; ANSWER SECTION:
www.mediawiki.org.	3494	IN	CNAME	text.wikimedia.org.

;; AUTHORITY SECTION:
wikimedia.org.		24702	IN	SOA	ns0.wikimedia.org. hostmaster.wikimedia.org. 2011022716 43200 7200 1209600 600

;; Query time: 26 msec
;; SERVER: 212.27.40.240#53(212.27.40.240)
;; WHEN: Sun Mar 13 10:41:48 2011
;; MSG SIZE  rcvd: 115
Comment 2 Roan Kattouw 2011-03-13 14:01:29 UTC 
Getting the same results as Ashar, resolving as WORKSFORME.
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