SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
yokohama-fender.com
SSL/TLS Certificate
SSL/TLS Certificate for yokohama-fender.com
Self-signed- Issued by (CA)
- Plesk
- Subject
- Plesk
- Valid from
- May 1, 2023
- Valid until
- Apr 30, 2024 (expired 926 days ago)
- Public key
- RSA 2048-bit
- Serial
- 644FE258
- SHA-256 fingerprint
- 68:6D:BD:2B:4D:FD:4A:D6:74:23:6E:90:37:22:CF:AF:03:87:3C:82:15:12:53:D5:D2:DF:4C:CE:F9:58:99:72
- Chain
- Plesk
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Oct 17, 2026.
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Uptime
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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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