Apex domains cannot have CNAME records.
Question and response
Question
dig WebLinkSRL.com. NS
Answer
weblinksrl.com. 5 NS ns2.weblinksrl.com.
weblinksrl.com. 5 NS ns3.weblinksrl.com.
weblinksrl.com. 5 NS ns4.weblinksrl.com.
weblinksrl.com. 5 NS ns5.weblinksrl.com.
Authority
The response has no authority records.
Additional
ns2.weblinksrl.com. 5 A 200.75.160.20
ns3.WebLinkSRL.com. 5 A 23.152.224.15
ns4.WebLinkSRL.com. 5 A 85.234.130.30
ns5.WebLinkSRL.com. 5 A 88.99.13.51
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0