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 sk-tuning.de

Self-signed
Issued by (CA)
Parallels
Subject
Parallels Panel
Valid from
Mar 7, 2014
Valid until
Mar 7, 2015 (expired 4222 days ago)
Public key
RSA 2048-bit
Serial
531960A5
SHA-256 fingerprint
F9:29:06:22:43:AC:96:36:58:5B:CC:E9:B5:11:B6:10:5B:AF:FB:C8:D6:79:6D:D4:F8:E9:AA:E7:5F:A5:32:2B
Chain
Parallels Panel

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 Sep 25, 2026.

Never get surprised by sk-tuning.de's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch sk-tuning.de 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.

Monitor this certificate free

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