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 mica-sas.fr

Valid
Issued by (CA)
Let's Encrypt
Subject
mica-sas.fr
Valid from
Oct 26, 2026
Valid until
Jan 24, 2027 (82 days remaining)
Public key
EC 256-bit
Serial
051573A5A1F7E06DE2E1A3EC2C36F4C0CFAD
SHA-256 fingerprint
D6:68:1C:1F:A7:69:A9:D0:23:7B:CF:C0:7F:BF:BF:A9:AC:88:A7:CF:F7:3B:7D:D5:A5:0E:52:1D:A1:BB:43:A2
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
mica-sas.fr

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

We've observed 1 previous certificate for this host. This certificate has been served since Oct 30, 2026.

Never get surprised by mica-sas.fr's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch mica-sas.fr continuously, notifying you the moment anything moves across all three signals:

Certificate monitor showing the issuer, expiry date, chain status, fingerprint, covered names, and a history of a rotation and an expiry warning

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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.