Apex domains cannot have CNAME records.
Question and response
Question
dig igetweb.com. NS
Answer
igetweb.com. 5 NS ns-965.awsdns-56.net.
igetweb.com. 5 NS ns-1790.awsdns-31.co.uk.
igetweb.com. 5 NS ns-266.awsdns-33.com.
igetweb.com. 5 NS ns-1146.awsdns-15.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0