dns2.globalgate.com.ar has no CNAME records.
Question and response
Question
dig dns2.globalgate.com.ar. NS
Answer
The response has no answer records.
Authority
globalgate.com.ar. 10800 SOA dns1.globalgate.com.ar. postmaster.globalgate.com.ar. 2024010175 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0