SSL/TLS Certificate Lookup

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

internettextbook.com

SSL/TLS Certificate

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SSL/TLS Certificate for internettextbook.com

Valid
Issued by (CA)
GoDaddy.com
Subject
internettextbook.com
Valid from
Jun 17, 2026
Valid until
Jan 1, 2027 (165 days remaining)
Public key
RSA 2048-bit
Serial
056640008465EED1
SHA-256 fingerprint
F3:59:B0:5E:1C:C6:B6:78:D5:09:A0:92:90:31:44:A8:83:80:95:44:1C:2B:5A:7E:4A:7F:2D:AE:4C:AB:0D:BE
Chain
GoDaddy TLS Intermediate CA DV - R1v1 → GoDaddy TLS Root CA - R1 → Go Daddy Root Certificate Authority - G2
Subject Alternative Names (1)
internettextbook.com

Certificate Authority Authorization (CAA)

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