[ale] DirecTV DSL - No Reverse DNS

Wylde Bill dbaron13 at atl.bellsouth.net
Mon Jan 28 17:23:33 EST 2002



Try:

host (your IP)

Should work.  :-)



John Mills wrote:

> Jerry -
>
> Thanks for clearing that up, but I'm not sure how it affects the other
> reader's comment that inability to do reverse lookup would prevent them
> from running a server. I have certainly seen the reverse case: servers
> which will not respond to me as a client for which [I've assumed] they
> cannot to a reverse lookup.
>
> On Mon, 28 Jan 2002, Jerry Z. Yu wrote:
>
> >       reverse DNS lookup (IP -> DNS name) has nothing to do with RARP
> > (which is mac->IP)
> >       If the ftp server (or any server for the matter) trying to do
> > reverse DNS lookup before allowing further client connection, valid
> > request whose source IP can't be resolved to a valid DNS name, the server
> > time out the lookup eventually and allow the client to continue anyway.
> > However, your client program may time out before that. Another thing would
> > be the ident lookup.
>
> > #On Sun, 27 Jan 2002, Paul D. Manno wrote:
>
> > #> I checked my connection about a minute ago and the Telocity/DirectTV DSL
> > #> connection has a valid DNS reverse map just as it always has.
>
> How does one check? I used 'whois <my_IP>' with no match.
>
> Thanks.
>
>  - John Mills
>
> ---
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 Wylde Bill                                               ||||
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