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 vivapp.fr

Valid
Issued by (CA)
Let's Encrypt
Subject
vivapp.fr
Valid from
Jul 7, 2026
Valid until
Oct 5, 2026 (61 days remaining)
Public key
RSA 4096-bit
Serial
0566004626A019F6786D79FEB50272A0D09E
SHA-256 fingerprint
94:C5:72:E2:75:3C:41:8E:5A:30:CD:AF:D7:29:F4:2B:4C:DC:3F:32:58:FC:24:27:B5:2B:0B:C1:8A:C7:9F:DA
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
vivapp.fr, www.vivapp.fr

Certificate Authority Authorization (CAA)

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

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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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