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 494g.com

Expired
Issued by (CA)
ZeroSSL
Subject
jsj28.com
Valid from
Jul 15, 2025
Valid until
Oct 13, 2025 (expired 286 days ago)
Public key
RSA 2048-bit
Serial
46E1F596678F527B73355B68B0C79911
SHA-256 fingerprint
01:FA:49:BA:E8:31:EB:E6:FB:54:F4:0B:57:F5:4E:DD:53:3B:92:D2:59:85:A0:20:FA:9A:D8:2A:0D:81:33:8F
Chain
Subject Alternative Names (2)
jsj28.com, www.jsj28.com

Certificate Authority Authorization (CAA)

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

Never get surprised by 494g.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch 494g.com 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.