SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
jk-ca.com
SSL/TLS Certificate
SSL/TLS Certificate for jk-ca.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- jk-ca.com
- Valid from
- Jul 18, 2026
- Valid until
- Oct 16, 2026 (34 days remaining)
- Public key
- EC 384-bit
- Serial
- 05A1348786B8C905FACDE5553FE037CFEEB8
- SHA-256 fingerprint
- 8C:D9:38:4F:FF:AA:0F:63:DB:DD:15:24:CC:DD:99:3D:46:A8:2F:F9:65:9B:12:B9:7F:15:79:E7:5D:71:88:70
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
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 8, 2026.
Never get surprised by jk-ca.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch jk-ca.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.
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