SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for clipboard.app

Valid
Issued by (CA)
Google Trust Services
Subject
clipboard.app
Valid from
Jul 16, 2026
Valid until
Oct 15, 2026 (62 days remaining)
Public key
EC 256-bit
Serial
92DECF51F222435413B79914FCACB296
SHA-256 fingerprint
89:B0:70:5D:A3:97:06:BD:D9:4A:61:AB:49:02:2B:73:4D:5E:56:70:92:A2:E2:48:51:01:F4:0D:4A:D3:AD:3A
Chain
WE1 → GTS Root R4
Subject Alternative Names (1)
clipboard.app

Certificate Authority Authorization (CAA)

The serving CA (Google Trust Services) is authorized by this domain's CAA records (amazon.com, letsencrypt.org, pki.goog).

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Uptime

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DNS changes

We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

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