SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
oto-md.com
SSL/TLS Certificate
SSL/TLS Certificate for oto-md.com
Self-signed- Issued by (CA)
- Plesk
- Subject
- Plesk
- Valid from
- May 25, 2022
- Valid until
- May 25, 2023 (expired 1198 days ago)
- Public key
- RSA 2048-bit
- Serial
- 628E6949
- SHA-256 fingerprint
- BF:A4:1A:3D:F0:93:A5:23:FD:10:A4:9F:97:5C:D3:0F:DB:FE:8F:EC:18:8D:55:12:6E:D5:A8:FE:F7:61:CF:1F
- Chain
- Plesk
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
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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