SSL/TLS Certificate Lookup

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

sontius.com

SSL/TLS Certificate

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SSL/TLS Certificate for sontius.com

Valid
Issued by (CA)
Let's Encrypt
Subject
sontius.com
Valid from
Jul 18, 2026
Valid until
Oct 16, 2026 (87 days remaining)
Public key
RSA 2048-bit
Serial
0523D27DFABC07C4EA97502574786258DCE9
SHA-256 fingerprint
A0:AD:42:DE:FF:3B:59:2D:88:44:BF:D4:5C:0A:94:B8:BA:80:C5:A3:38:26:6D:6A:08:99:8E:0F:24:8E:C0:9F
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
sontius.com, www.sontius.com

Certificate Authority Authorization (CAA)

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