SSL/TLS Certificate Lookup

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

speedotest.com

SSL/TLS Certificate

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SSL/TLS Certificate for speedotest.com

Valid
Issued by (CA)
Let's Encrypt
Subject
speedotest.com
Valid from
Jul 8, 2026
Valid until
Oct 6, 2026 (77 days remaining)
Public key
EC 256-bit
Serial
052E1738620057DCB07E1DE13D8693CAD69B
SHA-256 fingerprint
00:BE:0D:4E:5D:47:32:A6:69:B7:FA:B9:7D:1B:FD:41:78:40:03:A9:8E:DA:DD:F2:10:59:78:C1:80:A4:D4:FD
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
speedotest.com

Certificate Authority Authorization (CAA)

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