Notice the date of this certificate. It wasn't valid for a long time, but it was a long time ago.

Notice the date of this certificate. It wasn’t valid for a long time, but it was a long time ago.

Certificate validity is given in date and time – including seconds. Some applications use very short lived certificates. There’s no rule that certificates has to be valid for a specific life time – it all depends on the usage.

The certificate on this server is from the middle ages, it’s expired and very old. Your client should refuse to connect to this server.

 

 

Should fail

 

 

 

 

 

tls-o-matic-next