ns2.msedge.net has no NS records.
NS records for this zone are defined at msedge.net.
NS records for this zone are defined at msedge.net.
Question and response
Question
dig ns2.msedge.net. NS
Answer
The response has no answer records.
Authority
msedge.net. 900 SOA ns1.msedge.net. msnhst.microsoft.com. 2016041201 1800 900 2419200 3600
Additional
. 0 OPT ; payload 1224, xrcode 0, version 0, flags 0