Check DNS, Urls + Redirects, Certificates and Content of your Website


Info: Problems with 3.048.289 Letsencrypt certificates (378.325 accounts). They must be revoked (revocation starts 2020-03-04 20:00 UTC) - see Revoking certain certificates on March 4. Update 2020-03-07: Good news: Mass-revocation is canceled.

This tool: A check (SerialNumber) is added. Letsencrypt has published a list of critical SerialNumbers, this list is checked. See the part "9. Certificates". If there is a warning, renew that certificate and replace the current certificate.



Short code-update

Current

Good

Worst

Do you like this page? Support this tool, add a link on your page:

<a href="https://check-your-website.server-daten.de/?q=cdnn.ml.face.yuanzhanapp.com" target="_blank">Check this Site: cdnn.ml.face.yuanzhanapp.com</a>