mail.novanexus.edu.do has no NS records.
NS records for this zone are defined at novanexus.edu.do.
NS records for this zone are defined at novanexus.edu.do.
Question and response
Question
dig mail.novanexus.edu.do. NS
Answer
The response has no answer records.
Authority
novanexus.edu.do. 86400 SOA ns4235.hostgator.com. root.gator2118.hostgator.com. 2026031100 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0