mail1.songnetworks.net has no NS records.
NS records for this zone are defined at songnetworks.net.
NS records for this zone are defined at songnetworks.net.
Question and response
Question
dig mail1.songnetworks.net. NS
Answer
The response has no answer records.
Authority
songnetworks.net. 3600 SOA m10.dh.teliadns.se. backbone.telia.net. 1773878400 21600 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0