[163465] in North American Network Operators' Group
RE: Facebook broken over v6?
daemon@ATHENA.MIT.EDU (Frank Bulk)
Sat Jun 8 19:15:41 2013
From: "Frank Bulk" <frnkblk@iname.com>
To: "'Doug Porter'" <dsp@fb.com>
In-Reply-To: <8B9D122A1836AF4BB23B7966A4EABEC206962016@pcscmail001.MUTUALTEL.MTCNET.NET>
Date: Sat, 8 Jun 2013 18:14:35 -0500
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
And just like that, the AAAA is back again. =)
============================================
DNS server: 167.142.225.5
; <<>> DiG 9.7.3 <<>> AAAA www.facebook.com @167.142.225.5
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46006
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;www.facebook.com. IN AAAA
;; ANSWER SECTION:
www.facebook.com. 452 IN CNAME star.c10r.facebook.com.
star.c10r.facebook.com. 37 IN AAAA
2a03:2880:10:1f02:face:b00c:0:8
;; AUTHORITY SECTION:
c10r.facebook.com. 119251 IN NS b.ns.c10r.facebook.com.
c10r.facebook.com. 119251 IN NS a.ns.c10r.facebook.com.
;; ADDITIONAL SECTION:
a.ns.c10r.facebook.com. 120993 IN A 69.171.239.11
b.ns.c10r.facebook.com. 120381 IN A 69.171.255.11
;; Query time: 7 msec
;; SERVER: 167.142.225.5#53(167.142.225.5)
;; WHEN: Sat Jun 8 18:12:42 2013
;; MSG SIZE rcvd: 153
============================================
Frank
-----Original Message-----
From: Frank Bulk [mailto:frnkblk@iname.com]
Sent: Saturday, June 08, 2013 5:43 PM
To: 'Doug Porter'
Cc: nanog@nanog.org
Subject: RE: Facebook broken over v6?
Someone must have yanked the AAAA for www.facebook.com, because I see a
CNAME to star.c10r.facebook.com, which doesn't have an AAAA.
============================================
DNS server: 199.120.69.24
; <<>> DiG 9.7.3 <<>> AAAA www.facebook.com @199.120.69.24
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16032
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;www.facebook.com. IN AAAA
;; ANSWER SECTION:
www.facebook.com. 3147 IN CNAME star.c10r.facebook.com.
;; AUTHORITY SECTION:
c10r.facebook.com. 51 IN SOA a.ns.c10r.facebook.com.
dns.facebook.com. 1370731022 300 600 600 300
;; Query time: 0 msec
;; SERVER: 199.120.69.24#53(199.120.69.24)
;; WHEN: Sat Jun 8 17:41:30 2013
;; MSG SIZE rcvd: 103
============================================
DNS server: 167.142.225.5
; <<>> DiG 9.7.3 <<>> AAAA www.facebook.com @167.142.225.5
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 963
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;www.facebook.com. IN AAAA
;; ANSWER SECTION:
www.facebook.com. 2324 IN CNAME star.c10r.facebook.com.
;; AUTHORITY SECTION:
c10r.facebook.com. 44 IN SOA a.ns.c10r.facebook.com.
dns.facebook.com. 1370731022 300 600 600 300
;; Query time: 8 msec
;; SERVER: 167.142.225.5#53(167.142.225.5)
;; WHEN: Sat Jun 8 17:41:30 2013
;; MSG SIZE rcvd: 103
============================================
Frank
-----Original Message-----
From: Doug Porter [mailto:dsp@fb.com]
Sent: Saturday, June 08, 2013 3:30 PM
Cc: nanog@nanog.org
Subject: Re: Facebook broken over v6?
We're actively investigating the v6 issues. We need more data
though. If you're experiencing problems, please email me a
tcpdump/pcap or any other debug data you think will help.
Thanks,
--
dsp
