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 sa-m.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sa-m.fr
- Valid from
- Sep 13, 2026
- Valid until
- Dec 12, 2026 (39 days remaining)
- Public key
- EC 256-bit
- Serial
- 066A75A256E2707E7CC4AC079A4FA9AB3BE0
- SHA-256 fingerprint
- 59:9C:79:86:30:2E:69:44:F8:68:B6:92:95:8B:E0:5F:21:9A:CC:B7:C9:20:FA:91:57:F6:02:35:09:53:3C:B1
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Oct 26, 2026.
Never get surprised by sa-m.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch sa-m.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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.