SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
jlf-couverture.fr
SSL/TLS Certificate
SSL/TLS Certificate for jlf-couverture.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- jlf-couverture.fr
- Valid from
- Jul 12, 2026
- Valid until
- Oct 10, 2026 (74 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 050E2A6838663442CF2241CF05A5938F8865
- SHA-256 fingerprint
- E2:0A:0B:1A:08:D5:A9:4C:86:D1:8E:15:04:55:B9:7B:04:DD:C8:96:45:7B:33:6B:1E:5C:47:67:13:53:65:35
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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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