Apex domains cannot have CNAME records.
Question and response
Question
dig s4financials.com. NS
Answer
s4financials.com. 5 NS ns-t.dns.yourhosting.eu.
s4financials.com. 5 NS ns-u.dns.yourhosting.nu.
s4financials.com. 5 NS ns-v.dns.yourhosting.nl.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0