Really odd one: parts of global DNS just dropped off the map
DBotham at OptimusSolutions.com
Wed Nov 24 18:07:56 UTC 2004
bind-users-bounce at isc.org wrote on 11/24/2004 05:35:32 AM:
> I've never seen this one ever before, and I don't even really know
> where to ask.
> Apologies if this is off-topic, but here goes.
> I administer the primary DNS for a bunch of domains which our company
> hosts, plus mail and DNS for the customers of our ISP. The primary DNS
> server is a Dell Poweredge running FreeBSD hosted at Telehouse in
> London's docklands.
> Some point yesterday afternoon (GMT). I started getting reports that
> certain sites were failing on DNS. Notably www.nasa.gov, which my boss
> uses to demonstrate that broadband is operating. The fact that he
> discovered this five minutes before I was planning to go home, and
> when he couldn't leave a client's site because they were not
> distinguishing between bad DNS and lack of connectivity helped none of
> our tempers in the matter.
> It seemed a bunch of (mainly US-based) sites were failing DNS. Other
> (UK-based) worked fine. Trying another server in the same facility
> gave the same result. Finally I switced forwarders to another ISP and
> called it a day.
If you are using forwarders and the name server that you forward to have
problems, then you will have problems. Consider not using forwarding and
let your name servers resolve normally.
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