Apex domains cannot have CNAME records.
Question and response
Question
dig ericsphotoblog.com. NS
Answer
ericsphotoblog.com. 5 NS ns-1956.awsdns-52.co.uk.
ericsphotoblog.com. 5 NS ns-1472.awsdns-56.org.
ericsphotoblog.com. 5 NS ns-649.awsdns-17.net.
ericsphotoblog.com. 5 NS ns-1821.awsdns-35.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0