Apex domains cannot have CNAME records.
Question and response
Question
dig thesoc.us. NS
Answer
thesoc.us. 5 NS ns-988.awsdns-59.net.
thesoc.us. 5 NS ns-1513.awsdns-61.org.
thesoc.us. 5 NS ns-1836.awsdns-37.co.uk.
thesoc.us. 5 NS ns-396.awsdns-49.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0