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 >
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