Possible Duplicate:
How do I diagnose not being able to reach a specific website as an end user?
Yesterday (Saturday, 7 May) I lost the ability to connect to eclipse.org on my local network; for example, "ping eclipse.org" fails with "unknown host eclipse.org" and "traceroute eclipse.org" fails with "eclipse.org: Name or service not known." I was able to connect to and download from eclipse.org the day before.
I am having no problems connecting to any other web site I usually connect to. I am able to ping and browse eclipse.org from another system on a different isp. I am able to locally ping and traceroute 206.191.52.46 (as determined by "dig eclipse.org" on the remote system, locally dig returns no answer), but traceroute seems to be timing out before it reaches eclipse.org (see below).
Four different systems on local network have failed to connect: debian testing, openbsd 4.8, fedora 14, and archos a43 android tablet. All are connected to a fios router - the first two systems via ethernet, the last two via wifi - which connects to verizon. Power cycling the router and various systems has no effect.
What techniques can I use to figure out what the problem is? I've reserved "contact your isp" as a last-gasp technique, so we needn't consider that further.
For the morbidly curious, here are the traceroutes:
$ date
Sun May 8 11:09:21 EDT 2011
$ traceroute eclipse.org
eclipse.org: Name or service not known
Cannot handle "host" cmdline arg `eclipse.org' on position 1 (argc 1)
$ traceroute 206.191.52.46
traceroute to 206.191.52.46 (206.191.52.46), 30 hops max, 60 byte packets
1 Wireless_Broadband_Router.home (192.168.1.1) 0.428 ms 1.492 ms 1.479 ms
2 L100.NWRKNJ-VFTTP-125.verizon-gni.net (98.109.220.1) 6.041 ms 6.061 ms 6.565 ms
3 G5-0-8-1825.NWRKNJ-LCR-08.verizon-gni.net (130.81.139.106) 8.090 ms 8.739 ms 8.754 ms
4 so-5-0-0-0.NWRK-BB-RTR2.verizon-gni.net (130.81.29.10) 11.798 ms 11.818 ms 12.462 ms
5 0.so-7-1-0.XL4.EWR6.ALTER.NET (152.63.16.129) 12.363 ms 13.682 ms 13.685 ms
6 0.so-7-0-0.XL2.NYC1.ALTER.NET (152.63.17.1) 17.859 ms 12.517 ms 11.207 ms
7 POS7-0.GW8.NYC1.ALTER.NET (152.63.20.5) 9.841 ms 10.385 ms 11.123 ms
8 allstream-gw.customer.alter.net (157.130.91.250) 46.234 ms 11.353 ms 11.337 ms
9 ge4-3.hcap4-ott.bb.allstream.net (199.212.172.142) 26.488 ms 26.510 ms 27.483 ms
10 66.46.220.198 (66.46.220.198) 28.169 ms 29.490 ms 29.476 ms
11 209.217.64.41 (209.217.64.41) 33.023 ms 33.033 ms 33.640 ms
12 206.191.0.87 (206.191.0.87) 30.087 ms 30.571 ms 31.220 ms
13 * * *
[ blah blah blah ]
30 * * *
$
