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 appnexus.com

Expiring soon
Issued by (CA)
DigiCert Inc
Subject
appnexus.com
Valid from
Jul 7, 2025
Valid until
Aug 7, 2026 (17 days remaining)
Public key
RSA 2048-bit
Serial
07D863C944C11AF988F381763C7CB10B
SHA-256 fingerprint
33:8E:95:34:62:97:A8:2D:B7:B5:60:4D:55:6B:E1:B9:28:C4:E4:C9:7B:6B:6E:0F:19:E3:BA:68:D5:EB:AA:81
Chain
GeoTrust TLS RSA CA G1 → DigiCert Global Root G2
Subject Alternative Names (4)
appnexus.com, appnexus.net, www.appnexus.com, www.appnexus.net

Certificate Authority Authorization (CAA)

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