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 notamainframe.com

Valid
Issued by (CA)
GoDaddy.com
Subject
notamainframe.com
Valid from
Jul 5, 2026
Valid until
Oct 3, 2026 (74 days remaining)
Public key
RSA 2048-bit
Serial
E621219EC50E942E
SHA-256 fingerprint
36:E1:2C:A2:B4:EB:AD:B7:B5:85:D9:BB:0B:52:EE:B6:9C:49:F9:11:66:92:54:2E:6F:A4:C1:BB:8A:E4:38:5B
Chain
GoDaddy TLS Intermediate CA DV - R1v1 → GoDaddy TLS Root CA - R1 → Go Daddy Root Certificate Authority - G2
Subject Alternative Names (2)
notamainframe.com, www.notamainframe.com

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.