On Wed October 12 2016 10:24:17 deloptes wrote: > Mike Bird wrote: > > Many firewalls will drop UDP 80. �Try adding the -T flag. > > It does not change anything. The domains are still unreachable. > > Very sad! The server is reachable (on TCP 80 but not UDP 80) by me from five different test locations. Two of these use the same ultimate route as your traffic via 12.122.152.201 e.g. [1]. This suggests that the problem lies in the routing of the response packets, not the request packets. I used the NTT [0] BGP looking glass (GIYF) to traceroute from their Chicago router to your ISP's 178.191.255.254 [2] and got no further than Level 3. So over to Level 3's looking glass and a BGP check for your ISP's 178.191.0.0/16 shows no route. So this is a problem for you to take up with your ISP. They need to barter or pay for BGP peers to announce their ASN globally. --Mike [0] I chose NTT at random. If NTT had a route to you I would have investigated further to see why Tim's return packets were non-routable. [1] # traceroute -p 80 -T trinitydesktop.org traceroute to trinitydesktop.org (192.119.205.246), 30 hops max, 60 byte packets 1 * * * 2 23.92.75.17 (23.92.75.17) 0.218 ms 0.203 ms 0.167 ms 3 63.141.218.141 (63.141.218.141) 0.145 ms 0.475 ms 0.467 ms 4 xe-1-2-0.cr3-sea2.ip4.gtt.net (89.149.181.213) 0.287 ms xe-11-0-2.cr3-sea2.ip4.gtt.net (89.149.184.142) 0.218 ms xe-1-2-0.cr3-sea2.ip4.gtt.net (89.149.181.213) 0.259 ms 5 as7018.ip4.gtt.net (216.221.156.158) 4.656 ms 4.650 ms 4.634 ms 6 cr84.st0wa.ip.att.net (12.122.158.162) 53.941 ms 53.932 ms 53.906 ms 7 * * * 8 cr2.cgcil.ip.att.net (12.122.2.117) 52.537 ms 52.533 ms 52.434 ms 9 cr2.sl9mo.ip.att.net (12.122.2.22) 52.841 ms 52.415 ms 52.381 ms 10 12.122.152.201 (12.122.152.201) 82.086 ms 154.078 ms 154.048 ms 11 * * * 12 * * * 13 * * * 14 edge.pearsoncomputing.net (192.119.205.244) 72.064 ms 78.015 ms 85.089 ms 15 trinitydesktop.org (192.119.205.246) 90.907 ms 70.206 ms 88.097 ms [2] Tracing the route to 178.191.255.254 1 * Xe-9-1-edge2.nwr1.level3.net (4.68.111.69) 0 msec 0 msec 2 * * * 3-30 * * *