On Thu, Feb 3, 2011 at 5:23 PM, Barry Margolin <bar...@alum.mit.edu> wrote: > In article <mailman.1636.1296781581.555.bind- >SNIPPED< > www.yahoo.com. 300 IN CNAME fp.wg1.b.yahoo.com. > > And even when they did, it didn't get involved until you followed the > CNAME returned for www.yahoo.com. Your log message above indicates an > issue just with the yahoo.com domain, not resolution of the CNAME target. > > -- Thanks Barry so maybe I need some further education
[tblue@mx3 ~]$ dig @problemserver.net www.yahoo.com ; <<>> DiG 9.6.2-P2-RedHat-9.6.2-5.P2.fc12 <<>> @problemserver.net www.yahoo.com ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached So let's add the trace option (Same servers) [tblue@mx3 ~]$ dig @problemserver.net www.yahoo.com +trace ; <<>> DiG 9.6.2-P2-RedHat-9.6.2-5.P2.fc12 <<>> @problemserver.net www.yahoo.com +trace ; (1 server found) ;; global options: +cmd . 514246 IN NS f.root-servers.net. . 514246 IN NS b.root-servers.net. . 514246 IN NS e.root-servers.net. . 514246 IN NS a.root-servers.net. . 514246 IN NS l.root-servers.net. . 514246 IN NS k.root-servers.net. . 514246 IN NS i.root-servers.net. . 514246 IN NS d.root-servers.net. . 514246 IN NS c.root-servers.net. . 514246 IN NS m.root-servers.net. . 514246 IN NS j.root-servers.net. . 514246 IN NS h.root-servers.net. . 514246 IN NS g.root-servers.net. ;; Received 336 bytes from 10.13.255.101#53(10.13.255.101) in 1 ms com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. ;; Received 494 bytes from 199.7.83.42#53(l.root-servers.net) in 11 ms yahoo.com. 172800 IN NS ns1.yahoo.com. yahoo.com. 172800 IN NS ns5.yahoo.com. yahoo.com. 172800 IN NS ns2.yahoo.com. yahoo.com. 172800 IN NS ns3.yahoo.com. yahoo.com. 172800 IN NS ns4.yahoo.com. ;; Received 201 bytes from 192.31.80.30#53(d.gtld-servers.net) in 55 ms www.yahoo.com. 300 IN CNAME fp.wg1.b.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf2.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf4.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf8.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf3.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf6.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf5.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf1.yahoo.com. wg1.b.yahoo.com. 300 IN NS yf7.yahoo.com. ;; Received 326 bytes from 68.180.131.16#53(ns1.yahoo.com) in 2 ms So what am I missing? No servers available and the trace shows that it's finding the CNAME record, but doesn't appear to be going far enough, Here is the second server who can resolve this. Identical configuration as the problem server, same network segment, behind same SNAT, the same.. [tblue@mx3 ~]$ dig @functioningserver.net www.yahoo.com ; <<>> DiG 9.6.2-P2-RedHat-9.6.2-5.P2.fc12 <<>> @functioningserver.net www.yahoo.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30158 ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 2, ADDITIONAL: 0 ;; QUESTION SECTION: ;www.yahoo.com. IN A ;; ANSWER SECTION: www.yahoo.com. 300 IN CNAME fp.wg1.b.yahoo.com. fp.wg1.b.yahoo.com. 3238 IN CNAME any-fp.wa1.b.yahoo.com. any-fp.wa1.b.yahoo.com. 60 IN A 98.137.149.56 any-fp.wa1.b.yahoo.com. 60 IN A 72.30.2.43 ;; AUTHORITY SECTION: wa1.b.yahoo.com. 300 IN NS yf2.yahoo.com. wa1.b.yahoo.com. 300 IN NS yf1.yahoo.com. ;; Query time: 1759 msec ;; SERVER: 10.13.255.102#53(10.13.255.102) ;; WHEN: Thu Feb 3 18:03:55 2011 ;; MSG SIZE rcvd: 147 I'm missing something I'm sure, but it's under my skin now! Thanks again Tory _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
