Last modified: 2012-10-11 20:22:56 UTC
The servers for wmflabs.org zone are: $ dig +short NS wmflabs.org labs-ns1.wikimedia.org. labs-ns0.wikimedia.org. $ Querying an A record for bastion.wmflabs.org give us no answer: $ dig bastion.wmflabs.org. @labs-ns1.wikimedia.org ; <<>> DiG 9.7.3-P3 <<>> bastion.wmflabs.org @labs-ns1.wikimedia.org ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10575 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;bastion.wmflabs.org. IN A ;; Query time: 465 msec ;; SERVER: 208.80.154.19#53(208.80.154.19) ;; WHEN: Thu Oct 11 15:02:09 2012 ;; MSG SIZE rcvd: 37 Same happens for other entries such as integration.wmflabs.org.
Just a note that this DNS issue happens occasionally, not all the time.
*** This bug has been marked as a duplicate of bug 40825 ***