indexo.dev

polyphon.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-13 · error crawled 2026-05-16 5 attempts

DE · 195.243.248.88 · AS3320 Deutsche Telekom AG

Reputation 59/100 wrong cert crawl error dmarc monitor-only

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

Registration

Updated
2025-04-14
Name servers
  • ns1.telekom.net.
  • pns.dtag.de.

DNS records live

NS
  • ns1.telekom.net
  • pns.dtag.de
MX
  • 10 polyphon-de.mail.protection.outlook.com
  • 20 mforward.dtag.de
TXT
  • MS=ms19286090

Email authentication partial

SPF
v=spf1 ip4:195.243.248.64/27 include:spf.protection.outlook.com include:spf.mailjet.com -all
strict (-all)
DMARC
v=DMARC1;p=none;rua=mailto:dmarc-aggregate@polyphon.de
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp0eodWRmvy4Io2Qv65i+nZvUE/rY54z/0Z/PmUDJgIUKgMGmB/fuSBL+MoXpkuFqzs64rY30pYdJzg…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtSVwER4yWbtjnRWwZXXhrxQddWoWM7FsU+j8gZKoXtgWqvKv6ddApaLCvPrn16sAv3waT/WXKsk0u+…
selectors probed

Certificate (current) wrong cert

R13
from 2026-04-13 to 2026-07-12
Expires in 53 days

Full certificate history on crt.sh ↗

Linked from (2)