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 asser.academy

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
www.nipr-online.eu
Valid from
Jan 6, 2026
Valid until
Jan 6, 2027 (169 days remaining)
Public key
RSA 4096-bit
Serial
035C0A523531EACF9E6A67A0ED181B4B
SHA-256 fingerprint
9F:C9:4A:7A:DD:CE:99:7C:35:2E:E1:AC:13:0F:C3:01:47:73:D9:9F:88:9F:26:AB:19:D5:F2:30:16:11:4D:21
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (1)
www.nipr-online.eu

Certificate Authority Authorization (CAA)

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