A typical zone for a hosted domain.
THE WEBSITE
An A record for yourdomain.com, pointing at your server's address An A record or CNAME for www
MX records pointing at mail.yourdomain.com An A record for mail.yourdomain.com, pointing at your server A TXT record with SPF A TXT record with DKIM, at the selector's name Optionally a DMARC record at _dmarc
SERVICE HOSTNAMES
cPanel creates records for cpanel, webmail, webdisk and similar.
Leave them; they let you reach those services on your own domain.
SUBDOMAINS
An A record for each, pointing at your server.
VERIFICATION
TXT records for whatever services you use.
WHAT YOU SHOULD NOT SEE
Two SPF records A CNAME coexisting with other records for the same name A records pointing at a previous host MX records pointing at a hostname that does not resolve
WHERE TO COMPARE
cPanel > Zone Editor for the zone, and Email Deliverability for what mail records should be.
