smtp.google.com.ubesacademy.edu.do has no CNAME records.
Question and response
Question
dig smtp.google.com.ubesacademy.edu.do. NS
Answer
The response has no answer records.
Authority
ubesacademy.edu.do. 7073 SOA dns4.midominio.do. elvisbritopichardo.gmail.com. 2025072105 7200 7200 172800 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0