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 jedijones.de

Expired
Issued by (CA)
Let's Encrypt
Subject
cyberwebserver-22.de
Valid from
Oct 28, 2016
Valid until
Jan 26, 2017 (expired 3509 days ago)
Public key
RSA 2048-bit
Serial
03DB8219225A1656A66936BE2F13D93D2A6B
SHA-256 fingerprint
EC:5E:00:9B:66:E3:37:63:F2:C1:04:75:62:D3:C2:D9:AF:00:C6:7D:DC:1B:47:78:CD:BF:BF:7E:F8:71:16:12
Chain
Let's Encrypt Authority X3
Subject Alternative Names (2)
cyberwebserver-22.de, www.cyberwebserver-22.de

Certificate Authority Authorization (CAA)

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

Never get surprised by jedijones.de's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch jedijones.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.