DNS location information

mathieu.millet at ratp.fr mathieu.millet at ratp.fr
Fri Mar 4 08:16:40 UTC 2005

> -----Message d'origine-----
> De : Barry Margolin [mailto:barmar at alum.mit.edu]=20
> Envoy=E9 : vendredi 4 mars 2005 03:52
> =C0 : comp-protocols-dns-bind at isc.org
> Objet : Re: DNS location information
> In article <d08657$2p6l$1 at sf1.isc.org>, davesauny at gmail.com wrote:
> >=20
> > My problem is as follows..... how the hell do you extract physical=20
> > location information from an IP address, i know its possible coz my =

> > statcounter on my website does it, not sure how tho!  is there=20
> > location information in the DNS or nameservers which can be =
> > all i need is country and city/state.
> There's no reliable mechanism.  There used to be a monthly FAQ in=20
> comp.protocols.tcp-ip about determining geographic location of IPs.  =
> haven't seen it posted in a while, but it's probably archived at=20
> www.faqs.org.
You may look at the RR-type LOC, that helps locate node places when =
traceroute. It is this type of RR that xtraceroute look for plotting =
on the 3D earth.

Cf. RFC 1876 : Location Information in the DNS

Hope it helps.
Sincerely yours, Mathieu.

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