Thanks byte, but "dig @ns1.dyndns.org -x someip +short +norecurse" returns blank, and I know that IP is registered with dyndns.
Thanks, Adrian On Thu, Jun 25, 2009 at 2:14 PM, <[email protected]> wrote: > > > Does anyone know a way to specify a reverse DNS look up against a > specific > > DNS provider? I don't want to use the DNS that is authoritive for the > > given > > IP range. For example, look up all of the IPs at my org to see if any are > > mapped to some host name at DYNDNS? Some bot nets use these services for > > naming, so I thought this might be useful. > > > > Adrian > > _______________________________________________ > > Pauldotcom mailing list > > [email protected] > > http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom > > Main Web Site: http://pauldotcom.com > > Try one of the following from your favorite *nix variant: > > $ dig @{server you want to query} -x {ip address} +short +norecurse > > or > > $ host -r {ip address} {server you want to query} > > > > Windows nslookup is kind of pathetic but I believe you can do the same > with it as follows: > > C:\> nslookup -norecurse {ip address} {server you want to query} > > -- > byte_bucket > > _______________________________________________ > Pauldotcom mailing list > [email protected] > http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom > Main Web Site: http://pauldotcom.com >
_______________________________________________ Pauldotcom mailing list [email protected] http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom Main Web Site: http://pauldotcom.com
