SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for altoserver.de

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
www.mgse.net
Valid from
May 22, 2026
Valid until
Dec 6, 2026 (137 days remaining)
Public key
RSA 2048-bit
Serial
2BD9766822F0C29A14DE63E43DC575E8
SHA-256 fingerprint
FE:A6:52:94:6E:D9:DA:1A:46:8A:3A:0E:49:FC:B7:5D:B0:FB:FB:A7:27:EA:86:9B:6E:F2:D0:6F:0E:07:0C:4C
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
mgse.net, www.mgse.net

Certificate Authority Authorization (CAA)

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