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Wikimedia servers respond with 'FORMERR' to queries for AAAA records
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Description

Author: mikemol

Description:
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.


Version: unspecified
Severity: normal

Attached:

Details

Reference
bz28018

Event Timeline

bzimport raised the priority of this task from to Medium.Nov 21 2014, 11:31 PM
bzimport added projects: DNS, IPv6.
bzimport set Reference to bz28018.
bzimport added a subscriber: Unknown Object (MLST).

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

Getting the same results as Ashar, resolving as WORKSFORME.