
On Tue, Sep 27, 2011 at 20:06 UTC, Keegan Holley wrote:
it looks like ATT still answers the queries.
Actually those two /24s are delegated to siemensmedical.com nameservers. Your query typo'd the third octet: ; <<>> DiG 9.8.0-P4 <<>> +trace -x 12.54.94.1 ;; global options: +cmd . 492919 IN NS h.root-servers.net. . 492919 IN NS l.root-servers.net. . 492919 IN NS a.root-servers.net. . 492919 IN NS k.root-servers.net. . 492919 IN NS j.root-servers.net. . 492919 IN NS e.root-servers.net. . 492919 IN NS d.root-servers.net. . 492919 IN NS c.root-servers.net. . 492919 IN NS g.root-servers.net. . 492919 IN NS b.root-servers.net. . 492919 IN NS f.root-servers.net. . 492919 IN NS m.root-servers.net. . 492919 IN NS i.root-servers.net. ;; Received 449 bytes from 64.13.115.12#53(64.13.115.12) in 179 ms in-addr.arpa. 172800 IN NS b.in-addr-servers.arpa. in-addr.arpa. 172800 IN NS e.in-addr-servers.arpa. in-addr.arpa. 172800 IN NS d.in-addr-servers.arpa. in-addr.arpa. 172800 IN NS c.in-addr-servers.arpa. in-addr.arpa. 172800 IN NS f.in-addr-servers.arpa. in-addr.arpa. 172800 IN NS a.in-addr-servers.arpa. ;; Received 417 bytes from 192.228.79.201#53(b.root-servers.net) in 135 ms 12.in-addr.arpa. 86400 IN NS cbru.br.ns.els-gms.att.net. 12.in-addr.arpa. 86400 IN NS cmtu.mt.ns.els-gms.att.net. 12.in-addr.arpa. 86400 IN NS dbru.br.ns.els-gms.att.net. 12.in-addr.arpa. 86400 IN NS dmtu.mt.ns.els-gms.att.net. ;; Received 141 bytes from 2001:500:87::87#53(b.in-addr-servers.arpa) in 128 ms 94.54.12.in-addr.arpa. 172800 IN NS ns0.siemensmedical.com. 94.54.12.in-addr.arpa. 172800 IN NS ns.siemensmedical.com. ;; Received 94 bytes from 199.191.128.106#53(dbru.br.ns.els-gms.att.net) in 204 ms ;; connection timed out; no servers could be reached And it appears the delegated nameservers are unresponsive. Cheers, Dave Hart