Apex domains cannot have CNAME records.
Question and response
Question
dig webappkwidsoft.info. NS
Answer
webappkwidsoft.info. 4 NS ns2.webappkwidsoft.info.
webappkwidsoft.info. 4 NS ns1.webappkwidsoft.info.
Authority
The response has no authority records.
Additional
ns1.webappkwidsoft.info. 4 A 64.31.1.199
ns2.webappkwidsoft.info. 4 A 51.178.251.20
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0