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 life-jacket.net

Self-signed
Issued by (CA)
Plesk
Subject
Plesk
Valid from
Mar 14, 2022
Valid until
Mar 14, 2023 (expired 1301 days ago)
Public key
RSA 2048-bit
Serial
622F24EB
SHA-256 fingerprint
82:D9:8A:F8:3C:EC:B0:5C:B2:DA:F9:5D:64:E9:69:69:08:94:05:A7:D3:0C:B5:C8:B1:41:0C:78:62:B8:BD:0D
Chain
Plesk

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 life-jacket.net's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch life-jacket.net 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.