Apex domains cannot have CNAME records.
Question and response
Question
dig ssl-rs325.securehostserver.com. NS
Answer
ssl-rs325.securehostserver.com. 4 NS ns1.ipowerweb.net.
ssl-rs325.securehostserver.com. 4 NS ns1.ipowerdns.com.
ssl-rs325.securehostserver.com. 4 NS ns2.ipowerweb.net.
ssl-rs325.securehostserver.com. 4 NS ns2.ipowerdns.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0