smtp3-0.mailmailmail.net has no NS records.
NS records for this zone are defined at mailmailmail.net.
NS records for this zone are defined at mailmailmail.net.
Question and response
Question
dig smtp3-0.mailmailmail.net. NS
Answer
The response has no answer records.
Authority
mailmailmail.net. 3600 SOA ns1.hyp.net. hostmaster.domeneshop.no. 1773150695 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0