host.marcom.com has no NS records.
NS records for this zone are defined at marcom.com.
NS records for this zone are defined at marcom.com.
Question and response
Question
dig host.marcom.com. NS
Answer
The response has no answer records.
Authority
marcom.com. 300 SOA ns1-05.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0