Domain Configuration files in Cpanel server
In following files we can see domains entry on cPanel server /var/cpanel/users/username /scripts/updateuserdomains /var/named/domain.db /etc/named.conf /usr/local/apache/conf/httpd.conf /etc/localdomains /etc/userdomains /etc/trueuserdomains /etc/trueuserowners /etc/valiases/domain.com /etc/vdomainaliases/domain.com /etc/vfilters/domain.com