mail.iged.edu.do has no NS records.
NS records for this zone are defined at iged.edu.do.
NS records for this zone are defined at iged.edu.do.
Question and response
Question
dig mail.iged.edu.do. NS
Answer
The response has no answer records.
Authority
iged.edu.do. 3600 SOA ns1.contabo.net. hostmaster.contabo.de. 1772741839 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0