[114673] in North American Network Operators' Group
Re: facebook DNS
daemon@ATHENA.MIT.EDU (Patrick Darden)
Thu May 21 12:09:39 2009
Date: Thu, 21 May 2009 12:03:08 -0400
From: Patrick Darden <darden@armc.org>
To: Maria Iano <maria@iano.org>, nanog@nanog.org
In-Reply-To: <CBE22E5FF427B149A272DD1DDE10752403526729@EX2K3.armc.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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.
--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
>
>
>
