mx2.iplannetworks.net has no NS records.
NS records for this zone are defined at iplannetworks.net.
NS records for this zone are defined at iplannetworks.net.
Question and response
Question
dig mx2.iplannetworks.net. NS
Answer
The response has no answer records.
Authority
iplannetworks.net. 604800 SOA ns5.mpower.nl. hostmaster.iplannetworks.net. 2023060901 18000 604800 1209600 604800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0