Hit send too soon.
sudo traceroute -I 65.108.3.114
traceroute to 65.108.3.114 (65.108.3.114), 30 hops max, 60 byte packets
1 router.internal.grifent.com (192.168.1.1) 0.212 ms 0.227 ms
0.221 ms
2 47.204.132.1 (47.204.132.1) 2.133 ms 2.127 ms 2.192 ms
3 ae10--100.ber01.tamp.fl.frontiernet.net (184.19.249.120) 4.819
ms 4.814 ms 4.811 ms
4 ae11---0.scr03.mias.fl.frontiernet.net (74.40.10.180) 10.152 ms
10.330 ms 10.507 ms
5 ae0---0.cbr06.mias.fl.frontiernet.net (45.52.201.157) 11.204 ms
11.199 ms 11.194 ms
6 4.2.240.253 (4.2.240.253) 13.040 ms 12.929 ms 12.870 ms
7 ae2.2.edge1.hel1.neo.colt.net (171.75.10.35) 153.061 ms 151.108
ms 151.019 ms
8 212.133.6.2 (212.133.6.2) 150.048 ms 150.596 ms 150.564 ms
9 core32.hel1.hetzner.com (213.239.224.26) 150.361 ms 150.874 ms
150.839 ms
10 ex9k1.dc6.hel1.hetzner.com (213.239.252.198) 151.152 ms
150.267 ms 150.374 ms
11 * * *
12 * * *
never get to ra.horus-it.com (65.108.3.114).
John
On 2/11/25 13:37, Jim Garrison via Postfix-users wrote:
On 2/11/2025 09:43, John Griffiths via Postfix-users wrote:
I am trying to determine whether it is a routing issue or my IP or
domain have been blacklisted.
Running traceroute the problem appears to be at
ex9k1.dc6.hel1.hetzner.com (213.239.252.198) which is in Germany.
traceroute can be deceiving since without root access it uses UDP
probes, which can get blocked many places.
Here's a data point - traceroute (sudo mtr, using ICMP) from Comcast
(Portland, OR):
IPv6
...
17. ex9k1.dc6.hel1.hetzner.com
18. ra.horus-it.com
IPv4
...
10. ex9k1.dc6.hel1.hetzner.com
11. ra.horus-it.com
And "sudo traceroute -I 65.108.3.114" (using ICMP, times removed to
avoid linebreaks)
$ sudo traceroute -I 65.108.3.114
traceroute to 65.108.3.114 (65.108.3.114), 30 hops max, 60 byte packets
1 janus.jhmg.pvt (192.168.10.254)
2 100.93.174.3 (100.93.174.3)
3 po-332-364-rur202.beaverton.or.bverton.comcast.net (96.108.64.189)
4 po-200-xar02.beaverton.or.bverton.comcast.net (96.216.60.165)
5 ae-69-ar01.troutdale.or.bverton.comcast.net (68.85.243.197)
6 ae5.bar4.por1.sp.lumen.tech (4.68.37.245)
7 ae2.2.edge1.hel1.neo.colt.net (171.75.10.35)
8 212.133.6.2 (212.133.6.2)
9 core32.hel1.hetzner.com (213.239.224.26)
10 ex9k1.dc6.hel1.hetzner.com (213.239.252.198)
11 ra.horus-it.com (65.108.3.114) 181.064 ms * *
So if you can ICMP ping successfully, then a blacklist, if one exists
would be on the Postfix web server itself.
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