SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
takenaka-co.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for takenaka-co.co.jp
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- takenaka-co.co.jp
- Valid from
- May 13, 2026
- Valid until
- Nov 28, 2026 (115 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 7A9C9130E99014DD928414F0
- SHA-256 fingerprint
- F1:5E:6F:22:08:57:70:DD:E2:B3:DE:6E:FC:A4:9C:49:09:1F:E8:2D:9C:92:B4:CF:53:14:F8:88:B0:91:91:33
- Chain
- GlobalSign GCC R6 AlphaSSL CA 2025 → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by takenaka-co.co.jp's certificate expiring
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Uptime
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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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