SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
asami-seiko.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for asami-seiko.co.jp
Valid- Issued by (CA)
- DigiCert Inc
- Subject
- www.asami-seiko.co.jp
- Valid from
- Feb 19, 2026
- Valid until
- Feb 23, 2027 (185 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0F9BAAACD7E9ED1C82B079566F16AD93
- SHA-256 fingerprint
- 14:AC:32:04:BA:2C:10:EE:74:7E:09:93:92:B4:D6:C9:0A:5A:0B:7C:F4:1B:D6:94:65:B1:C7:65:A0:A9:2A:27
- Chain
- GeoTrust TLS RSA CA G1 → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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DNS changes
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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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