mail.mec.edu.do has no NS records.
NS records for this zone are defined at mec.edu.do.
NS records for this zone are defined at mec.edu.do.
Question and response
Question
dig mail.mec.edu.do. NS
Answer
The response has no answer records.
Authority
mec.edu.do. 86400 SOA ns1.site5.com. pedro.sosuanet.com. 2025082500 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0