SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
e-seikatsu.com
SSL/TLS Certificate
SSL/TLS Certificate for e-seikatsu.com
Expired- Issued by (CA)
- DigiCert Inc
- Subject
- *.fastssl.jp
- Valid from
- Sep 30, 2014
- Valid until
- Dec 6, 2017 (expired 3151 days ago)
- Public key
- RSA 2048-bit
- Serial
- 0FC2486237BEECE255AAA2BDD3FE873A
- SHA-256 fingerprint
- 37:A5:0D:F6:D0:7C:3E:D8:2E:1E:0A:7B:F9:BC:0A:EE:0F:83:34:8E:E3:E7:98:53:D3:51:22:51:80:60:08:B4
- Chain
- DigiCert SHA2 Secure Server CA → DigiCert Global Root CA
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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