nginx caching via easyapache not working anymore after ip change

Hello, after changing the ip of my cpanel / whm installation nginx did not work anymore as espected. all websites got that there were no files on them etc and ssl was always the certificate of the whm domain. after unninstalling nginx via easyapache everything worked normally again. then itried installing nginx again and the problems came back. i would like to see a fix for this. i run centos 7.9 on a VPS and whm / cpanel release stable 94.0.5