Domain Mapping cname vs. a name

Hey guys.. I am a little confused...
Ok.. I set up the domain mapping on my network install, it's network activated.. and available to all sub sites.
The main domain is automated.church
The sub domain is craighunt.automated.chruch
The domain I wish to point to "craighunt.automated.church" is "craighunt.online"
"craighunt.online"'s is hosted with Godaddy, and it's nameservers are pointed to my cloudhosted account. So is.. my automated.church domain too..
https://nimbus.everhelper.me/client/notes/share/794586/7omnd843p8gb3m35eq6g
So they share the same IP..
So my question is..:
Which record do I change ?? And then after I change it.. what do I do on the subsite, under the domain mapping section??
https://nimbus.everhelper.me/client/notes/share/794588/44oc0azzd9afsobakbmg
Cause it says to change the A record.. but the A record is acually the same IP, as the multisite main domain.
Thanks in advance!