SSL/TLS Certificate Lookup

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

ontafp.com

SSL/TLS Certificate

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SSL/TLS Certificate for ontafp.com

Valid
Issued by (CA)
Let's Encrypt
Subject
ontafp.com
Valid from
May 26, 2026
Valid until
Aug 24, 2026 (33 days remaining)
Public key
RSA 4096-bit
Serial
055279F6D16F6FCF751FBC92207EF85CD4BF
SHA-256 fingerprint
BC:50:3F:85:70:38:C6:53:F1:F4:70:88:47:6A:0B:AF:4A:71:CB:D7:52:36:78:0B:34:C0:70:47:67:D7:B3:01
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
ontafp.com, www.ontafp.com

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).