SSL/TLS Certificate Lookup

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

seinfeld.net

SSL/TLS Certificate

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SSL/TLS Certificate for seinfeld.net

Valid
Issued by (CA)
Let's Encrypt
Subject
seinfeld.net
Valid from
Jun 10, 2026
Valid until
Sep 8, 2026 (48 days remaining)
Public key
EC 256-bit
Serial
06128EB810D3782744EE5B0FA82A40EE1649
SHA-256 fingerprint
7B:CF:93:C2:8C:74:BF:5B:81:81:E8:2A:1E:62:B0:28:F8:49:9B:0D:E8:E2:ED:3C:05:06:DF:99:86:86:4F:42
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
seinfeld.net

Certificate Authority Authorization (CAA)

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