So, is there any way to find out if an IP is registered with dyndns then? Thanks, Adrian
On Thu, Jun 25, 2009 at 4:53 PM, <[email protected]> wrote: > That actually seems like a reasonable response. Dyndns probably isn't > authoritative for the reverse zone. It is also likely that they don't > support recursive queries from external clients. As a result, the IP you > are looking for is, in all likelihood, *not* in dyndns server's cache. > > -- > byte_bucket > > > I've gave those a shot without luck. Here are the results I got(I change > > my > > IP to ip-obmitted for this output): > > > > > > > > C:\Users\adrian>nslookup -norecurse ip-obmitted ns1.dyndns.org > > (root) nameserver = H.ROOT-SERVERS.NET > > (root) nameserver = K.ROOT-SERVERS.NET > > (root) nameserver = M.ROOT-SERVERS.NET > > (root) nameserver = A.ROOT-SERVERS.NET > > (root) nameserver = D.ROOT-SERVERS.NET > > (root) nameserver = C.ROOT-SERVERS.NET > > (root) nameserver = E.ROOT-SERVERS.NET > > (root) nameserver = I.ROOT-SERVERS.NET > > (root) nameserver = J.ROOT-SERVERS.NET > > (root) nameserver = G.ROOT-SERVERS.NET > > (root) nameserver = F.ROOT-SERVERS.NET > > (root) nameserver = L.ROOT-SERVERS.NET > > (root) nameserver = B.ROOT-SERVERS.NET > > Server: UnKnown > > Address: 204.13.248.75 > > > > (root) nameserver = B.ROOT-SERVERS.NET > > (root) nameserver = C.ROOT-SERVERS.NET > > (root) nameserver = I.ROOT-SERVERS.NET > > (root) nameserver = J.ROOT-SERVERS.NET > > (root) nameserver = K.ROOT-SERVERS.NET > > (root) nameserver = G.ROOT-SERVERS.NET > > (root) nameserver = M.ROOT-SERVERS.NET > > (root) nameserver = F.ROOT-SERVERS.NET > > (root) nameserver = A.ROOT-SERVERS.NET > > (root) nameserver = E.ROOT-SERVERS.NET > > (root) nameserver = L.ROOT-SERVERS.NET > > (root) nameserver = H.ROOT-SERVERS.NET > > (root) nameserver = D.ROOT-SERVERS.NET > > *** No internal type for both IPv4 and IPv6 Addresses (A+AAAA) records > > available > > for ip-obmitted > > > > > > > > > > > > dig @ns1.dyndns.org ip-obmitted > > > > ; <<>> DiG 9.2.4 <<>> @ns1.dyndns.org ip-obmitted > > ;; global options: printcmd > > ;; Got answer: > > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15548 > > ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 0 > > > > ;; QUESTION SECTION: > > ;ip-obmitted. IN A > > > > ;; AUTHORITY SECTION: > > . 518400 IN NS H.ROOT-SERVERS.NET. > > . 518400 IN NS M.ROOT-SERVERS.NET. > > . 518400 IN NS K.ROOT-SERVERS.NET. > > . 518400 IN NS E.ROOT-SERVERS.NET. > > . 518400 IN NS I.ROOT-SERVERS.NET. > > . 518400 IN NS G.ROOT-SERVERS.NET. > > . 518400 IN NS F.ROOT-SERVERS.NET. > > . 518400 IN NS A.ROOT-SERVERS.NET. > > . 518400 IN NS L.ROOT-SERVERS.NET. > > . 518400 IN NS B.ROOT-SERVERS.NET. > > . 518400 IN NS J.ROOT-SERVERS.NET. > > . 518400 IN NS C.ROOT-SERVERS.NET. > > . 518400 IN NS D.ROOT-SERVERS.NET. > > > > ;; Query time: 93 msec > > ;; SERVER: 204.13.248.75#53(ns1.dyndns.org) > > ;; WHEN: Thu Jun 25 12:35:53 2009 > > ;; MSG SIZE rcvd: 242 > > > > > > > > On Thu, Jun 25, 2009 at 2:05 PM, Jonathan Moore > > <[email protected]>wrote: > > > >> On Thu, Jun 25, 2009 at 12:32 PM, Adrian Crenshaw<[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. > >> > >> I may be misunderstanding, but both nslookup and dig let you specify > >> the server to query. Using dig, adding @server.example.org to the > >> command tells dig to query only that server (IIRC). > >> > >> dig @ns1.everydns.net yahoo.com > >> > >> HTH > >> > >> -jonathan > >> _______________________________________________ > >> 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 > > > _______________________________________________ > Pauldotcom mailing list > [email protected] > http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom > Main Web Site: http://pauldotcom.com >
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