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 hirata-zeilishi.com

Self-signed
Issued by (CA)
Parallels
Subject
Parallels Panel
Valid from
Jan 11, 2017
Valid until
Jan 11, 2018 (expired 3219 days ago)
Public key
RSA 2048-bit
Serial
5875A2F6
SHA-256 fingerprint
6D:3F:8F:BF:58:DF:83:A3:6A:12:00:04:AC:E8:B0:1A:06:52:F0:53:65:4A:47:DC:3F:07:8E:28:26:C1:91:07
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 30, 2026.

Never get surprised by hirata-zeilishi.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch hirata-zeilishi.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.