dns2.telcel.net.ve has no CNAME records.
Question and response
Question
dig dns2.telcel.net.ve. NS
Answer
The response has no answer records.
Authority
telcel.net.ve. 7710 SOA dns1.telcel.net.ve. root.dns1.telcel.net.ve. 2026012901 3600 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0