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 atproperties.net

Self-signed
Issued by (CA)
4b27851220dc62a08c0747c404d539ea3a56914d423073c374af4c2a
Subject
4b27851220dc62a08c0747c404d539ea3a56914d423073c374af4c2a
Valid from
Apr 19, 2021
Valid until
Apr 17, 2031 (1686 days remaining)
Public key
RSA 2048-bit
Serial
01
SHA-256 fingerprint
C2:4D:88:0C:E5:1F:67:AB:0A:C4:FA:D2:94:04:87:8D:48:D9:BF:95:AE:47:78:73:45:3F:6C:3D:C8:9E:70:51
Chain
4b27851220dc62a08c0747c404d539ea3a56914d423073c374af4c2a

Certificate Authority Authorization (CAA)

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

Never get surprised by atproperties.net's certificate expiring

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