SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

roemue.de

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for roemue.de

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.1blu.de
Valid from
Jun 25, 2026
Valid until
Jan 9, 2027 (173 days remaining)
Public key
RSA 2048-bit
Serial
D1EFF19E795B3A477A24968372C53D3E
SHA-256 fingerprint
BD:47:78:A5:00:E7:93:D8:EA:94:97:EC:95:45:8C:40:CA:B3:7A:23:23:43:36:88:CA:DF:46:8B:00:15:E3:2D
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.1blu.de, 1blu.de

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.