Google PTR?

nanog nanog at afxr.net
Sat Oct 27 03:52:18 UTC 2012


On 10/26/2012 7:13 PM, Blair Trosper wrote:
> I'm sure I'm bringing up a topic that's been brought up before, but I
> figured I'd have a go.
>
> Anyone from Google around that could answer to why there is no reverse
> DNS/PTR with most Google IP addresses (from traceroute, etc)?
>
> Alternatively, is there a server that can be utilized by the net operators
> community to at least get an answer on some of the IPs?
>
> It's very frustrating to contend with no PTR records in traces for
> troubleshooting and the like.
>
> Any information (off list or on) would be greatly appreciated.
>
> Thanks,
> Blair Trosper
> Updraft Networks & North Texas GigaPOP
Which particular address are you referring to?
I get PTR responses for the limited set of address I get from google.

such as
den03s06-in-x14.1e100.net [2607:f8b0:400f:801::1014]



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