mx2.windstreambiz.net has no NS records.
NS records for this zone are defined at windstreambiz.net.
NS records for this zone are defined at windstreambiz.net.
Question and response
Question
dig mx2.windstreambiz.net. NS
Answer
The response has no answer records.
Authority
windstreambiz.net. 86400 SOA cns01.windstream.net. hostmaster.windstream.net. 2019050645 28800 14400 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0