ns2-proddns.glbdns.protection.office365.us has no NS records.
NS records for this zone are defined at glbdns.protection.office365.us.
NS records for this zone are defined at glbdns.protection.office365.us.
Question and response
Question
dig ns2-proddns.glbdns.protection.office365.us. NS
Answer
The response has no answer records.
Authority
glbdns.protection.office365.us. 300 SOA ns1-37.azuregov-dns.us. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0