Hi there.. i just install a new server with ubuntu 16.04 and ISPConfig 3.1.1p1 ... just a few week ago I have 3 domains, and just work fine ..... but today 1 domain not response also that domain not response to ping command i think that is DNS problem ... and is the first time that occur me some like that Maybe is about DNSSEC ? i just enabled, without know not much about it ... do you recommend disabled ?
