SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dcr-auvergne.fr
SSL/TLS Certificate
SSL/TLS Certificate for dcr-auvergne.fr
Valid- Issued by (CA)
- Google Trust Services
- Subject
- dcr-auvergne.fr
- Valid from
- Oct 17, 2026
- Valid until
- Jan 15, 2027 (61 days remaining)
- Public key
- RSA 2048-bit
- Serial
- F8D3252B940D45021074959A30E747A0
- SHA-256 fingerprint
- BC:A6:55:70:EC:9D:C6:CF:04:1B:14:24:71:73:D0:0C:C8:12:C8:35:B7:B3:9F:F2:B4:6D:30:87:32:3C:00:A3
- Chain
- WR3 → GTS Root R1
Certificate Authority Authorization (CAA)
The serving CA (Google Trust Services) is authorized by this domain's CAA records (letsencrypt.org, pki.goog).
We've observed 1 previous certificate for this host. This certificate has been served since Sep 8, 2026.
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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, CNAME, TXT 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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