That's because you're asking the wrong nameservers. The response you're getting is pointing you to the correct nameservers (glb1/glb2.facebook.com) which are defintely returning AAAA records for me :
$ dig +short aaaa www.facebook.com @glb1.facebook.com 2620:0:1c08:4000:face:b00c:0:3 Scott. On Tue, Jun 7, 2011 at 5:04 PM, fredrik danerklint <fredan-na...@fredan.se>wrote: > This is from Sweden. > > $ dig any www.facebook.com @ns1.facebook.com > > ; <<>> DiG 9.7.3 <<>> any www.facebook.com @ns1.facebook.com > ;; global options: +cmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61742 > ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2 > ;; WARNING: recursion requested but not available > > ;; QUESTION SECTION: > ;www.facebook.com. IN ANY > > ;; AUTHORITY SECTION: > www.facebook.com. 86400 IN NS glb1.facebook.com. > www.facebook.com. 86400 IN NS glb2.facebook.com. > > ;; ADDITIONAL SECTION: > glb1.facebook.com. 3600 IN A 69.171.239.10 > glb2.facebook.com. 3600 IN A 69.171.255.10 > > ;; Query time: 58 msec > ;; SERVER: 204.74.66.132#53(204.74.66.132) > ;; WHEN: Wed Jun 8 02:01:37 2011 > ;; MSG SIZE rcvd: 104 > > > No AAAA records at the moment. Checked alll their nameservers. > > -- > //fredan > >
