Date: Thu, 20 Sep 2001 17:41:10 -0500 From: Len Conrad <LConrad@Go2France.com> To: freebsd-isp@freebsd.org Subject: Re: weird dns problem Message-ID: <5.1.0.14.0.20010920173240.03a4aec8@mail.Go2France.com> In-Reply-To: <20010920150631.T14298-100000@cx175057-a.ocnsd1.sdca.home.c om>
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>If I nslookup domainname authorative-name-server, I get the root servers >back, its complete failure. the root-servers.net + their ip addresses is called a "referral", while what you were looking for was an "answer". don't use nslookup, use dig: # dig @sol.earthlink.net sonicboom.org ; <<>> DiG 8.3 <<>> @sol.earthlink.net sonicboom.org ; (1 server found) ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3 ;; QUERY SECTION: ;; sonicboom.org, type = A, class = IN ;; ANSWER SECTION: sonicboom.org. 36M IN A 24.13.23.40 ;; AUTHORITY SECTION: sonicboom.org. 36M IN NS ns.gecko.org. sonicboom.org. 36M IN NS ns1.noc.netcom.net. sonicboom.org. 36M IN NS ns2.noc.netcom.net. ;; ADDITIONAL SECTION: ns.gecko.org. 12H IN A 199.174.211.75 ns1.noc.netcom.net. 3h1s IN A 204.31.1.1 ns2.noc.netcom.net. 3h1s IN A 199.183.9.2 >yet if I use it interactively >nslookup >enter >server authorative-name-server >enter >domainname > >it works.. > > > nslookup sonicboom.org sol.earthlink.net >Authoritative answers can be found from: >(root) nameserver = A.ROOT-SERVERS.NET >(root) nameserver = H.ROOT-SERVERS.NET >(root) nameserver = C.ROOT-SERVERS.NET >(root) nameserver = G.ROOT-SERVERS.NET >(root) nameserver = F.ROOT-SERVERS.NET >(root) nameserver = B.ROOT-SERVERS.NET >(root) nameserver = J.ROOT-SERVERS.NET >(root) nameserver = K.ROOT-SERVERS.NET >(root) nameserver = L.ROOT-SERVERS.NET >(root) nameserver = M.ROOT-SERVERS.NET >(root) nameserver = I.ROOT-SERVERS.NET >(root) nameserver = E.ROOT-SERVERS.NET >(root) nameserver = D.ROOT-SERVERS.NET >A.ROOT-SERVERS.NET internet address = 198.41.0.4 >H.ROOT-SERVERS.NET internet address = 128.63.2.53 >C.ROOT-SERVERS.NET internet address = 192.33.4.12 >G.ROOT-SERVERS.NET internet address = 192.112.36.4 >F.ROOT-SERVERS.NET internet address = 192.5.5.241 >B.ROOT-SERVERS.NET internet address = 128.9.0.107 >J.ROOT-SERVERS.NET internet address = 198.41.0.10 >K.ROOT-SERVERS.NET internet address = 193.0.14.129 >L.ROOT-SERVERS.NET internet address = 198.32.64.12 >M.ROOT-SERVERS.NET internet address = 202.12.27.33 >I.ROOT-SERVERS.NET internet address = 192.36.148.17 >E.ROOT-SERVERS.NET internet address = 192.203.230.10 >D.ROOT-SERVERS.NET internet address = 128.8.10.90 >*** Can't find server name for address 207.69.188.192: No information >*** Default servers are not available you have to read what comes back, obviously you missed the preceding. # dig -x 207.69.188.192 ; <<>> DiG 8.3 <<>> -x ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3 ;; QUERY SECTION: ;; 192.188.69.207.in-addr.arpa, type = ANY, class = IN ;; ANSWER SECTION: 192.188.69.207.in-addr.arpa. 1H IN PTR sol.earthlink.net. ... but the answer had very long delay for me, so probably your nslookup timed out waiting for the PTR answer. nslookup requires the NS queired to have a ptr, a stupid requirement. use dig. your problem is a false one, yet again, thanks to nslookup Len http://MenAndMice.com/DNS-training http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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