North American Network Operators Group

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Re: ad.doubleclick.net missing from DNS?

  • From: Chris Adams
  • Date: Tue Jul 27 13:29:07 2004

Once upon a time, Sean Donelan <[email protected]> said:
> The A record for ad.doubleclick.net is missing from DNS.  This is
> causing apparent web page slowdowns when viewing web sites containing ads
> linked to ad.doubleclick.net

It looks like the problem isn't that the A record is missing, it is that
the nameservers are missing:

ask(ad.doubleclick.net)(A): ns1.doubleclick.net ns2.doubleclick.net ns3.doubleclick.net ns4.doubleclick.net
;; send_udp(216.73.86.10:53)
;; send_udp(216.73.87.10:53)
;; send_udp(216.73.85.10:53)
;; send_udp(216.73.81.10:53)
;; send_udp(216.73.86.10:53)
;; send_udp(216.73.87.10:53)
;; send_udp(216.73.85.10:53)
;; send_udp(216.73.81.10:53)
;; send_udp(216.73.86.10:53)
;; send_udp(216.73.87.10:53)
;; send_udp(216.73.85.10:53)
;; send_udp(216.73.81.10:53)
ad.doubleclick.net: query timed out

-- 
Chris Adams <[email protected]>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.