afd-k.office.com has no NS records.
NS records for this zone are defined at office.com.
NS records for this zone are defined at office.com.
Question and response
Question
dig k-0002.k-msedge.net. NS
Answer
The response has no answer records.
Authority
k-msedge.net. 240 SOA ns1.k-msedge.net. msnhst.microsoft.com. 2015122001 1800 900 2419200 240
Additional
. 0 OPT ; payload 1224, xrcode 0, version 0, flags 0