If you look at the cdppvc-installation-ecs.pdf installation manual. cdppvc-installation-ecs.pdf (cloudera.com)   It describes DNS use *.apps.ecs.example and apps.ecs.example.com like bellow:   A ridiculous question, but an important one to me. Can I change a name of 'apps'? I want to use name of 'mlops'.  just like *.mlops.ecs.example and mlops.ecs.example.com   Do I have to use only 'apps'? Please help me bro. I think It's a very easy question.   Regards     DNS Resolves to IP of LB host (or VIP). The example uses 10.10.0.99. Both *.apps.ecs.example.com and apps.ecs.example.com resolve to 10.10.0.9 ... View more