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 negardns.com

Self-signed
Issued by (CA)
SomeOrganization
Subject
94-182-153-197.shatel.ir
Valid from
Jul 23, 2022
Valid until
Jul 23, 2023 (expired 1166 days ago)
Public key
RSA 2048-bit
Serial
1DB8
SHA-256 fingerprint
FE:70:65:E3:7B:B5:0D:D2:0F:FF:EF:17:3B:BA:B4:7E:BE:25:79:E0:F5:FE:EB:96:AC:DE:C9:32:4E:2E:DC:09
Chain
—

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 Aug 1, 2026.

Never get surprised by negardns.com's certificate expiring

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