SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
chicagolongitudinalstudy.org
SSL/TLS Certificate
SSL/TLS Certificate for chicagolongitudinalstudy.org
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.clstudy.com
- Valid from
- Jun 9, 2026
- Valid until
- Sep 7, 2026 (48 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0501D5BADD66B0750DFD77D3F421F5479BE1
- SHA-256 fingerprint
- DE:33:AB:22:BD:B2:D4:57:D1:3E:FF:B6:AD:A2:47:E2:3D:21:AA:8B:8E:14:DA:D0:A8:E3:58:37:19:10:4B:8B
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.