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 mega1.nl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- mega1.nl
- Valid from
- Jun 19, 2026
- Valid until
- Sep 17, 2026 (58 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053882B24E57BD72A965CF1F8B59B6095A47
- SHA-256 fingerprint
- 79:25:B6:38:11:53:7D:E5:23:B1:07:45:7F:DB:10:1A:04:03:EF:9E:40:7A:F9:07:F7:97:CA:1F:42:BA:AB:39
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).