SSL/TLS Certificate Lookup

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

mainswitch.com

SSL/TLS Certificate

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SSL/TLS Certificate for mainswitch.com

Untrusted chain
Issued by (CA)
Let's Encrypt
Subject
mainswitch.com
Valid from
Jul 9, 2026
Valid until
Oct 7, 2026 (78 days remaining)
Public key
RSA 2048-bit
Serial
05266E015F3CCB4E3379972123E35AEBD822
SHA-256 fingerprint
B2:65:F4:0B:53:68:8A:D2:61:9C:6F:F1:56:2B:79:7D:DF:11:E2:C6:4D:05:F0:35:A8:BA:FA:5B:EF:D6:8D:14
Chain
YR2
Subject Alternative Names (2)
*.mainswitch.com, mainswitch.com

Certificate Authority Authorization (CAA)

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