ns.comtech.net.gt has no CNAME records.
Question and response
Question
dig ns.comtech.net.gt. NS
Answer
The response has no answer records.
Authority
comtech.net.gt. 900 SOA gmc.claro.com.sv. please_set_email.absolutely.nowhere. 2021101907 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0