SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
139energy.com
SSL/TLS Certificate
SSL/TLS Certificate for 139energy.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- 139energy.com
- Valid from
- Jun 19, 2026
- Valid until
- Sep 17, 2026 (58 days remaining)
- Public key
- EC 384-bit
- Serial
- 0596A710EFE665726E5F6EA5F4AA968056B2
- SHA-256 fingerprint
- AD:03:3E:CB:DE:03:BE:C5:95:C2:09:6F:1C:74:5C:8A:51:34:01:CF:F2:3B:D0:B4:C5:03:E2:D5:1B:C5:92:BA
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, sectigo.com).