On May 21, 2009, at 12:03 PM, Patrick Darden wrote:
Whois query gets us: NS2.FACEBOOK.COM 204.74.67.132 DNS05.SF2P.TFBNW.NET DNS04.SF2P.TFBNW.NET NS1.FACEBOOK.COM 204.74.66.132
both 204.74.67.132 and 204.74.66.132 are pingable, but DNS queries on them directly get various answers:
nslookup www.facebook.com 204.74.66.132 *** Can't find www.facebook.com: No answer
and nslookup www.harvard.edu 204.74.66.132 ** server can't find www.harvard.edu: SERVFAIL
This tells me the DNS is set up and semi-working, but incorrectly. It answers correctly for a query for a domain outside its purview, but with a "No answer" for stuff it should know.
a) why are you relying on whois for stuff that's authoritative in DNS? b) isn't this what the outages list is for?
--p
Darden, Patrick S. wrote:
I noticed this as well around 11:50 eastern.
--Patrick Darden
-----Original Message----- From: Maria Iano [mailto:maria@iano.org] Sent: Thursday, May 21, 2009 11:56 AM To: nanog@nanog.org Subject: facebook DNS
It looks like facebook is having DNS troubles. The www.facebook.com subdomain is delegated to some servers that are no longer answering. Also apps.facebook.com is a cname to www- college.facebook.com which gets no reply.
Maria