SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ngi-smt.jp
SSL/TLS Certificate
SSL/TLS Certificate for ngi-smt.jp
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- www.ngi-smt.jp
- Valid from
- Jun 16, 2026
- Valid until
- Jan 1, 2027 (159 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 76DC125EBF46236F629ABA9C
- SHA-256 fingerprint
- 4D:B0:B2:FB:BB:F0:02:FB:EC:D9:EF:D4:01:40:6F:F9:18:89:63:C3:60:AE:2F:96:9C:8D:CE:C8:00:FB:61:33
- Chain
- GlobalSign GCC R6 AlphaSSL CA 2025 → GlobalSign → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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, 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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