mail.learningstepsrd.edu.do has no CNAME records.
Question and response
Question
dig mail.learningstepsrd.edu.do. NS
Answer
The response has no answer records.
Authority
learningstepsrd.edu.do. 3450 SOA da700a.trouble-free.net. hostmaster.learningstepsrd.edu.do. 2025122403 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0