SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
phrenology.com
SSL/TLS Certificate
SSL/TLS Certificate for phrenology.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- phrenology.com
- Valid from
- Jun 2, 2026
- Valid until
- Aug 31, 2026 (40 days remaining)
- Public key
- EC 256-bit
- Serial
- 0600FBAC0707F79C66CCAB12716A37E15F79
- SHA-256 fingerprint
- CC:A7:3F:01:F5:1F:F3:13:77:94:75:46:E3:D5:F5:DC:91:F1:DD:33:10:33:ED:6B:5C:37:12:15:AD:8B:61:F9
- Chain
- YE1 → 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 (comodoca.com, digicert.com, letsencrypt.org, pki.goog, ssl.com).