SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
notion-explore.fr
SSL/TLS Certificate
SSL/TLS Certificate for notion-explore.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- notion-explore.fr
- Valid from
- Oct 23, 2026
- Valid until
- Jan 21, 2027 (81 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06F3BD26E668C148D95486A6FD2E88D0BC76
- SHA-256 fingerprint
- B8:32:CD:E6:46:F5:58:26:FF:52:20:17:F2:2C:75:64:D6:1A:B5:BC:28:2E:5E:64:1C:A9:CD:D1:0A:58:59:30
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by notion-explore.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch notion-explore.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, 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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