Benny,I didn't check this DNSSEC chain below at all - but there is at least one issue that inhibits mail delivery way more directly: SMTP listening appears to be down at 2.207.151.53 (aka. mx{1, 2, 3}.vodafonemail.de). As following:
user@host1:~ $ telnet 2.207.151.53 25
Trying 2.207.151.53...
telnet: Unable to connect to remote host: Connection timed out
user@host1:~ $
user@host2:~ telnet 2.207.151.53 25
Trying 2.207.151.53...
telnet: Unable to connect to remote host: Connection timed out
user@host2:~
host1 and host2 are different boxes living in different ASes.
Best,
-C.
On 23.08.2025 13:00, Benny Pedersen via mailop wrote:
Lukas Tribus skrev den 2025-08-23 12:52:On Sat, 23 Aug 2025 at 12:22, Benny Pedersen via mailop <[email protected]> wrote:Hans-Martin Mosner via mailop skrev den 2025-08-23 11:30: > Hi, > > we're not being able to reach vodafone MXes since yesterday: > > Aug 22 22:27:18 localhost postfix/smtp[485080]: connect to > mx3.vodafonemail.de[2.207.151.53]:25: Connection timed out > Aug 22 22:27:48 localhost postfix/smtp[485080]: connect to > mx1.vodafonemail.de[2.207.151.53]:25: Connection timed out > Aug 22 22:28:18 localhost postfix/smtp[485080]: connect to > mx2.vodafonemail.de[2.207.151.53]:25: Connection timed out > > Does anyone have info on what's going on there? The usual outage > listing sites don't seem to show anything related to this. > > Jochen Meyer: I see that you responded to a Vodafone contact request > last year, hope it's ok to address you here as well. <[email protected]>: delivery via mx5.vodafonemail.de[2.207.217.30]:25: host mx5.vodafonemail.de[2.207.217.30] said: 554 5.7.1 Service unavailable;Vodafone.de only has MX records for mx1,2,3; so the fact that mx5 is reachable doesn't help. Also notice that the 3 A records point to the same exact IP.;; ANSWER SECTION:vodafonemail.de. 3600 IN RRSIG NS 10 2 3600 20250916202700 20250817195710 54038 vodafonemail.de. wZvaia5wCWcnofQGbJ0cUGHOU0MDasBS/wovHsRoc74rkJFLxbHpRmky nDfUa59veHDJyiXuK+NUQ7cPe/rr/eQEYe/IUULRRzS/Q0Dwcw7fa7Ks owTDSrOrpG9SO2c+8grrZyp1d8mJuI1uTHIi4ptzfVsdJHDe49JF1Hi0 9KY= vodafonemail.de. 600 IN RRSIG A 10 2 600 20250916202700 20250817195710 54038 vodafonemail.de. wJhtwRPLDEScUdcYo8uppqNgwBNrsjKuLmW2Ha8nAtyQCPSF3StgvozI X1f7VokFuHK57uADNK2lXRlJrqdymsJ6j0PJwwXHDGk716Eix53Tw+JF tWXSAwQBTHzbgy4YnxMiA/OkQ5lRt5dnlTIGBKktbuqhr/kojxFMzdJZ SLE=vodafonemail.de. 600 IN A 2.207.151.54vodafonemail.de. 300 IN RRSIG MX 10 2 300 20250912084047 20250813074047 54038 vodafonemail.de. lh4HSek1950Pwk8mJfGtMY5n6s/8rHrIwPRU9rQ0Svr/vMQ31H3NeCXG 3BkCc+Fhp9q3mhZBZUuuH9j4lx7v/eGTwsYC9yWJ6s5rqs5WPFT/LG00 LIBoPLfmhFP1cXUWNhY38q+no46S/C+EvwFOAd8N9+1KPUY/ZyGL/L7/ /gg=vodafonemail.de. 300 IN MX 20 mx51.vodafonemail.de. vodafonemail.de. 300 IN MX 10 mx5.vodafonemail.de.vodafonemail.de. 600 IN RRSIG TXT 10 2 600 20250907144135 20250808143647 54038 vodafonemail.de. IbMVfjrozhYyMyPVyHUg1omlvLrgDXFrAotWlzAgFnOI7hQwFvBtqnu1 4NefGY9lmU+UNFB9IdAfB58TTh+fZ8DK4NLAryeJCSjmdYkK/5to2Jxm OtZZ/nEufOMPrR0pwY6TMTiR8qNxMmppGNutVFBROkQIAftjDiZcAgQM k8U=vodafonemail.de. 600 IN TXT "51ebec31dfa24905a2339ca3c90618e8"vodafonemail.de. 600 IN TXT "yahoo-verification-key=aQw4w/Fdz8MPDvNJG8HVn1HqoZT6ojuahVHwUp8srkc=" vodafonemail.de. 600 IN TXT "google-site-verification=ATKX2IBSCQHtM--dNzOKCCHtH785tFS0S64oCV4q1Ms" vodafonemail.de. 600 IN TXT "v=spf1 mx ip4:145.253.228.160/29 ip4:145.253.239.128/29 a:mediabeam.managed-otrs.com include:cemsc.net ~all" vodafonemail.de. 7200 IN RRSIG NSEC 10 2 7200 20250916202700 20250817195710 54038 vodafonemail.de. bm2Qjo63GTBQ4xYuPoefHW6qzyHziLecz22Nl6khGc4mpecgmleR3ylM 9oSskga4i0o+MQbUfldiHgJ7YlwsV2v9QUC7VWGzVmkzEF8Iq3BLFO4X /k721UKVoxacnCPT3B46V3zPrF5NrlalsmT6UFDH0LX4zU5C7PHI9DRA UFE= vodafonemail.de. 7200 IN NSEC _acme-challenge.vodafonemail.de. A NS SOA MX TXT RRSIG NSEC DNSKEY TYPE65534 vodafonemail.de. 38400 IN RRSIG SOA 10 2 38400 20250921233623 20250822223623 54038 vodafonemail.de. k0Cbzh2Fx8X18CqEfDSlJ+9huFQY33f+S2zTeRRMv3PxDflGvqGLyizy EO1RNzCOWIe5+dny+2HysepqnOjTz8bEnhGNFu5AzH5PGUAUF/l8BqjY wUW14LBBK0tb23jAycKJfduz3w2U6SxMot6pOeLBdZLAyVSsqy3sGc6T 0/0= vodafonemail.de. 38400 IN SOA ns1.vodafone-ip.de. hostmaster.adm.arcor.net. 2020096810 28800 14400 1814400 7200 vodafonemail.de. 38400 IN RRSIG DNSKEY 10 2 38400 20250916230441 20250817221057 54038 vodafonemail.de. AgmkDbTfJaP/nJs5cUMJ/mnATN7D1KnNBz+/8prGCjJp62eN9ovrLc4d oDyURPlHicmg5Cu52bKfqOQEHwnLFqDQW4xDS5xqEvRUFS+MFd7eY34G 6fQoJPWkHSuYjhRWCulEoGqTnuujBkcJUf5T5BgN54A3RpGna1GAmA4j oPY= vodafonemail.de. 38400 IN RRSIG DNSKEY 10 2 38400 20250916230441 20250817221057 65127 vodafonemail.de. 0t0JW+Qgy5jXc9xup9P3gqdafI13T+yA1zTps9LflKCH7IYxw/TA1/ZX 5LPjr8VkLz6Gq79X2cVYHAxPZD9B0VwCaTw1UsmiWCyfocQJILF/0Do/ F+H8jLWoWxwHVvVXKHU41Rj5GK3BmEYU00TeuJHePoytd3JTCohOQpHV KHeKKch9lVVnHtlgms8tGHMZrqSk5j47ooQRUns6rVsbQ72FedYGHJ4n Fn9TkqBLpBscff91ZxskjOlehJ6ZiMN0APqcLuvkjM0GdtBYLNa95X0z wV3LHsTPVZWajslnVPTOa0BD2XuE9GlkY0Mn9jS50I3oBkt/VrOPdIs3 KQ750Q== vodafonemail.de. 38400 IN DNSKEY 257 3 10 AwEAAdioNr2XNbnrtMEu7coFSviRCxm6OLtkoiiW98EWY5nWirSOw5lI MobvPfVzDFjukcDUXdYCQyQjIcFW5IFrdVsu3jf5qdtEsYe/3TrgJ3FS RCcIoiqRkxDw5Xv19gfCv+mZAriJANxhSlvncnmgYRHK7iavC3oniFaq m99bJoiKqfSOMsyS0E5ws6YxPrV+ggJI6UU6RBJksfHw5UVbxnMfPpbV W3dQ53uf5fzRNp+TmCVrQFk7ozOLZA4v00b9p53cumlDueKlk8WCgGXV GXlZACitfOgyN9F2/CwboU2aEk1KbXNxsD4fPUN0zALkNwEhGqVlnfrp tzWHEKbS10M= vodafonemail.de. 38400 IN DNSKEY 256 3 10 AwEAAcO+X5xq1MQ4WY60r8GDIO4NR9np8nk9ajFb6+47zhXz+Onzx0Mv zwaDKZa51pcB6FYlUO/DkJBptiyTOikJ5dJiQd2WcWPVl4VBd+3WC6tg t3K+Vs6CyJiY06rTRqyOz+Xbyc9KHkrft6iYJdW/5Iv4cqVJS3EnogHz kAgDD54f vodafonemail.de. 83348 IN RRSIG DS 8 2 86400 20250906071653 20250823054653 25113 de. OSy22jSdMvCYZHuStbW2ye+k9OQceCVSq4gITApxNATaDpsmaMM+kVwo 25m/T/09JY6z0MoDjeVlYZ3EM8uaBSg/j/x1qEF5LtU99Vcc1mxN3dDT vgurOGMwU1L8HBq4aJ5daqq7qn3UHdk9lu6lqFZvJQotk33FkHAHD9qG NrA= vodafonemail.de. 83348 IN DS 65127 10 2 0516CA07A165020F9A7C32DAFA408607FFBBE0F4681E5CE816F78035 C7E65C59vodafonemail.de. 3600 IN NS ns3.vodafone-ip.de. vodafonemail.de. 3600 IN NS ns1.vodafone-ip.de. vodafonemail.de. 3600 IN NS ns2.vodafone-ip.de.vodafonemail.de. 0 IN RRSIG TYPE65534 10 2 0 20250904070758 20250805070003 54038 vodafonemail.de. kwltVdBCra9PPW6o78vo1vg2zVpPvGSFc3Vj6QyVruCsoQ5aqE1GP0ok Pp26mVidqgEFA8FeEwO1sTgH/f4seMivB8b3uk8RNHM0d3sUd7e/dl9T 6Ja9hYuxtoVqV0lAfMIhtJkWbpUk3YX5u4OPPfinwfly1gmC5FAgLWgw qcA=vodafonemail.de. 0 IN TYPE65534 \# 5 0AFE670001 vodafonemail.de. 0 IN TYPE65534 \# 5 0AD3160001 ;; Query time: 639 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) (TCP) ;; WHEN: Sat Aug 23 13:02:54 CEST 2025 ;; MSG SIZE rcvd: 3042 possible dnssec issue ?Lukas
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