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 stema-medizintechnik.com

Valid
Issued by (CA)
Let's Encrypt
Subject
stema-medizintechnik.com
Valid from
Sep 20, 2026
Valid until
Dec 19, 2026 (46 days remaining)
Public key
RSA 2048-bit
Serial
062DA72FBE018105B3C7602CEE274F500F23
SHA-256 fingerprint
3F:2E:BB:16:D0:C0:B8:4D:22:D7:D7:44:FF:D1:3A:3C:50:4A:C9:9E:BF:F0:28:9E:C8:43:5F:D4:77:69:84:41
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
stema-medizintechnik.com

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 Sep 29, 2026.

Never get surprised by stema-medizintechnik.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch stema-medizintechnik.com 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.