Certificate verification Duration
If the result is positive, there is no need for further action. If the result is negative, please read the following instructions.
|Result positive||Certificate not expired|
|Result negativ||Certificate expired|
|Description||The message means that your server certificate has expired. Your website is displayed to visitors as insecure or untrustworthy. If a user visits your server via TLS, they may receive an error message, such as "Your certificate expired on (date)".|
|Background||Server certificates provide more security on the Internet and serve to verify servers. A certificate is issued by official, trustworthy institutions and verifies the identity of the website. A certificate is not forgeable. In normal life, a certificate is comparable to an identity card or a notarial certification. Similar to a passport, certificates also have a certain validity period. Certificates thus ensure secure data exchange and form an important basis of trust for operators of e.g. online shops.|
|Consequence||Most Internet browsers are configured so that by default you do not trust websites with an expired certificate. A server with an expired certificate thus generates a warning every time you connect. A warning message during the communication of your server thus has a negative effect on your company presentation on the Internet.|
|Solution/Tips||If Certificate expired has been reported, renew the used certificate. You can find out how to renew certificates here: Certificate expired (German only).|