SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

iris.edu

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for iris.edu

Valid
Issued by (CA)
Sectigo Limited
Subject
*.iris.edu
Valid from
Jan 26, 2026
Valid until
Jan 8, 2027 (171 days remaining)
Public key
RSA 2048-bit
Serial
B2CF1C0750E59D641785A4B3DCB9E7F1
SHA-256 fingerprint
31:F9:1B:03:77:F8:FC:E1:F9:A8:CA:33:C7:0F:AB:1D:31:62:EB:F1:2B:CA:CD:32:2C:80:36:2C:3F:5D:B2:52
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.iris.edu, iris.edu

Certificate Authority Authorization (CAA)

The serving CA (Sectigo Limited) is authorized by this domain's CAA records (sectigo.com).