SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
wc-test.de
SSL/TLS Certificate
SSL/TLS Certificate for wc-test.de
Self-signed- Issued by (CA)
- Plesk
- Subject
- Plesk
- Valid from
- Sep 6, 2018
- Valid until
- Sep 6, 2019 (expired 2563 days ago)
- Public key
- RSA 2048-bit
- Serial
- 5B914589
- SHA-256 fingerprint
- 5D:09:1C:68:97:27:4E:17:B3:93:F0:BE:27:06:E3:7A:87:9D:6A:59:02:96:8A:48:8B:DD:6E:DD:7E:AD:FB:D2
- 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
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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