On Feb 5, 2013, at 11:44, jrk1231-outml@nym.hush.com wrote:
Traceroutes to all name servers die...
$ traceroute 212.58.241.67 traceroute to 212.58.241.67 (212.58.241.67), 64 hops max, 52 byte packets ... 10 12.81.100.0 (12.81.100.0) 29.767 ms 31.279 ms 31.322 ms 11 12.81.105.30 (12.81.105.30) 31.843 ms 29.952 ms 32.544 ms 12 12.81.56.61 (12.81.56.61) 27.129 ms 28.473 ms 30.203 ms 13 74.175.192.58 (74.175.192.58) 32.761 ms 29.940 ms 29.874 ms 14 cr2.rlgnc.ip.att.net (12.123.152.110) 41.231 ms 41.055 ms 40.043 ms 15 cr1.wswdc.ip.att.net (12.122.3.170) 42.459 ms 41.184 ms 43.378 ms 16 wswdc03jt.ip.att.net (12.122.220.245) 35.785 ms 38.096 ms 35.626 ms 17 192.205.36.134 (192.205.36.134) 101.887 ms 48.829 ms 192.205.34.210 (192.205.34.210) 35.991 ms 18 ash-bb3-link.telia.net (80.91.248.158) 41.435 ms 36.061 ms 41.122 ms 19 ldn-bb1-link.telia.net (80.91.246.69) 114.993 ms ldn-bb1-link.telia.net (213.248.65.97) 113.689 ms ldn-bb1-link.telia.net (80.91.251.206) 115.943 ms 20 ldn-b3-link.telia.net (213.155.133.31) 112.837 ms 114.172 ms ldn-b3-link.telia.net (80.91.247.86) 111.664 ms 21 * * * 22 * * * ^C
That doesn't say a whole lot, most of the bigger sites are often firewalled off in terms of ICMP and the like. A dig trace works fine, and their nameservers are responding; == $ dig +trace bbc.co.uk ; <<>> DiG 9.7.3 <<>> +trace bbc.co.uk ;; global options: +cmd . 84187 IN NS m.root-servers.net. . 84187 IN NS i.root-servers.net. . 84187 IN NS h.root-servers.net. . 84187 IN NS d.root-servers.net. . 84187 IN NS c.root-servers.net. . 84187 IN NS g.root-servers.net. . 84187 IN NS j.root-servers.net. . 84187 IN NS b.root-servers.net. . 84187 IN NS e.root-servers.net. . 84187 IN NS k.root-servers.net. . 84187 IN NS f.root-servers.net. . 84187 IN NS a.root-servers.net. . 84187 IN NS l.root-servers.net. ;; Received 449 bytes from ::1#53(::1) in 1 ms uk. 172800 IN NS ns1.nic.uk. uk. 172800 IN NS ns2.nic.uk. uk. 172800 IN NS ns3.nic.uk. uk. 172800 IN NS ns4.nic.uk. uk. 172800 IN NS ns5.nic.uk. uk. 172800 IN NS ns6.nic.uk. uk. 172800 IN NS ns7.nic.uk. uk. 172800 IN NS nsa.nic.uk. uk. 172800 IN NS nsb.nic.uk. uk. 172800 IN NS nsc.nic.uk. uk. 172800 IN NS nsd.nic.uk. ;; Received 489 bytes from 2001:7fd::1#53(k.root-servers.net) in 1 ms bbc.co.uk. 172800 IN NS ns1.thdow.bbc.co.uk. bbc.co.uk. 172800 IN NS ns1.rbsov.bbc.co.uk. bbc.co.uk. 172800 IN NS ns1.tcams.bbc.co.uk. ;; Received 147 bytes from 156.154.102.3#53(nsc.nic.uk) in 1 ms bbc.co.uk. 300 IN A 212.58.241.131 bbc.co.uk. 900 IN NS ns1.rbsov.bbc.co.uk. bbc.co.uk. 900 IN NS ns1.thdow.bbc.co.uk. bbc.co.uk. 900 IN NS ns1.tcams.bbc.co.uk. ;; Received 163 bytes from 212.58.241.67#53(ns1.rbsov.bbc.co.uk) in 9 ms == Their TTL is a wee bit on the short side, though. Perhaps they are moving something around? Cya, Jona