SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
mjc-champagnier.fr
SSL/TLS Certificate
SSL/TLS Certificate for mjc-champagnier.fr
Untrusted chain- Issued by (CA)
- Sectigo Limited
- Subject
- mjc-champagnier.fr
- Valid from
- Aug 28, 2025
- Valid until
- Aug 28, 2026 (36 days remaining)
- Public key
- RSA 2048-bit
- Serial
- CA320242612FC5B37F27726C52510913
- SHA-256 fingerprint
- AA:B5:50:38:28:F5:AF:93:F2:E0:DE:92:F2:1A:D6:C8:4E:EB:08:B9:56:C4:28:E5:9B:0C:E5:9B:28:03:1F:6E
- Chain
- —
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by mjc-champagnier.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch mjc-champagnier.fr continuously, notifying you the moment anything moves across all three signals:
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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.