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 asbk.dk
Expiring soon- Issued by (CA)
- Let's Encrypt
- Subject
- asbk.dk
- Valid from
- May 7, 2026
- Valid until
- Aug 5, 2026 (14 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 054D9032CE6759997793E62B4BA01BC77285
- SHA-256 fingerprint
- 10:F2:C8:D6:BB:CB:FD:39:22:32:1F:1A:BC:FB:E9:35:C5:10:15:B7:8E:D1:39:7B:8D:68:BC:50:5D:AF:1D:50
- Chain
- R13 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).