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arthen-kommunikation.de

.de crawl

First seen 2026-05-08 · Last seen 2026-05-08 · pending crawled 2026-05-20 2 attempts

DE · 88.79.246.70 · AS3209 Vodafone GmbH

Reputation 69/100 wrong cert dmarc monitor-only

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'arthen-kommunikation.de'. (_ssl.c:1000)

Registration

Updated
2026-02-17
Name servers
  • a.ns14.net.
  • b.ns14.net.
  • c.ns14.net.
  • d.ns14.net.

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 10 mail01.arthen-kommunikation.de
Verified for
  • Apple
  • Atlassian
  • Brevo
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx include:spfa.myconvento.com include:spf.brevo.com include:spf.protection.outlook.com include:spf.serverdomain.org -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@arthen-kommunikation.de
policy: none (monitoring only)
DKIM
  • mail: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAykqVdwe3+zckRZz6+BOzikbyIi3le9CgDxpG/YUL2LFrtlVAWTNP4Z7xKLrKixwStPuo6XWs8l15VujmjXjfnD…
selectors probed

Certificate (current) wrong cert

R13
from 2026-04-05 to 2026-07-04
Expires in 44 days

Full certificate history on crt.sh ↗

Linked from (1)