Apex domains cannot have CNAME records.
Question and response
Question
dig veritest.com. NS
Answer
veritest.com. 5 NS ns3.veritest.com.
veritest.com. 5 NS ns2.lionbridge.com.
veritest.com. 5 NS ns3.lionbridge.com.
Authority
The response has no authority records.
Additional
ns2.lionbridge.com. 5 A 20.85.108.27
ns3.veritest.com. 5 A 20.85.108.27
ns3.lionbridge.com. 5 A 20.79.199.140
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0