SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
jpcard.biz
SSL/TLS Certificate
SSL/TLS Certificate for jpcard.biz
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- jpcard.biz
- Valid from
- Nov 8, 2026
- Valid until
- May 26, 2027 (198 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 01C39B3378739F2F0A3F5FD802B74F88
- SHA-256 fingerprint
- BD:50:60:32:55:94:9F:40:C2:67:74:C8:8F:11:26:48:C6:40:05:B8:2E:A5:E7:32:99:1D:57:26:45:F3:52:A3
- Chain
- GlobalSign Atlas R46 DV TLS CA 2026 Q4 → GlobalSign Root R46 → GlobalSign
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 Oct 18, 2026.
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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, CNAME, TXT 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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