This page says Centos 7 or 6:
https://docs.ispsystem.com/dnsmanage...e-requirements
Yes this page says Centos 6.5 or 7 OR Debian 7 or 8:
https://www.ispsystem.com/software/dnsmanager/download
Personally I am a Ubuntu user. Can DNS manager be installed in either Ubuntu 16 or 18?