Apex domains cannot have CNAME records.
Question and response
Question
dig masnet.hn. NS
Answer
masnet.hn. 4 NS ns3.masnet.hn.
masnet.hn. 4 NS ns2.masnet.hn.
masnet.hn. 4 NS ns1.masnet.hn.
masnet.hn. 4 NS ns4.masnet.hn.
Authority
The response has no authority records.
Additional
ns1.masnet.hn. 4 A 170.238.108.1
ns2.masnet.hn. 4 A 170.238.108.2
ns3.masnet.hn. 4 A 170.238.110.1
ns4.masnet.hn. 4 A 170.238.110.2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0