SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
heilwig-gymnasium.info
SSL/TLS Certificate
SSL/TLS Certificate for heilwig-gymnasium.info
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- *.heilwig-gymnasium.info
- Valid from
- Sep 21, 2026
- Valid until
- Mar 20, 2027 (130 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 46D359D4D8248A6CE2FF1555956E95F3
- SHA-256 fingerprint
- 23:41:64:C1:B2:45:81:1F:32:E3:DD:AA:D6:87:EF:0C:5C:D2:C2:AE:B4:A6:1A:C2:32:85:4C:FE:BE:D4:CF:51
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Oct 1, 2026.
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