Apex domains cannot have CNAME records.
Question and response
Question
dig seminolecarpetandfloors.com. NS
Answer
seminolecarpetandfloors.com. 5 NS ns-354.awsdns-44.com.
seminolecarpetandfloors.com. 5 NS ns-1843.awsdns-38.co.uk.
seminolecarpetandfloors.com. 5 NS ns-891.awsdns-47.net.
seminolecarpetandfloors.com. 5 NS ns-413.awsdns-51.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0