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 territorialkansasonline.org

Valid
Issued by (CA)
Amazon
Subject
territorialkansasonline.org
Valid from
Aug 9, 2026
Valid until
Feb 22, 2027 (161 days remaining)
Public key
EC 384-bit
Serial
0F7978CF8B7D5EB0CDBC7AE8FC9FDE07
SHA-256 fingerprint
82:4D:D8:72:5D:6A:BD:8E:2C:EB:20:35:B8:DE:F5:DB:1B:4A:EA:10:59:C1:A2:3B:E7:48:8C:CC:CC:DC:F3:A1
Chain
Amazon ECDSA 384 M01 → Amazon Root CA 4 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (2)
*.territorialkansasonline.org, territorialkansasonline.org

Certificate Authority Authorization (CAA)

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

We've observed 1 previous certificate for this host. This certificate has been served since Aug 23, 2026.

Never get surprised by territorialkansasonline.org's certificate expiring

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