Apex domains cannot have CNAME records.
Question and response
Question
dig precweld.com. NS
Answer
precweld.com. 4 NS ns-1153.awsdns-16.org.
precweld.com. 4 NS ns-802.awsdns-36.net.
precweld.com. 4 NS ns-328.awsdns-41.com.
precweld.com. 4 NS ns-1070.awsdns-05.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0