extsmtp112.ecomz.net has no NS records.
NS records for this zone are defined at ecomz.net.
NS records for this zone are defined at ecomz.net.
Question and response
Question
dig extsmtp112.ecomz.net. NS
Answer
The response has no answer records.
Authority
ecomz.net. 180 SOA ns20.digicertdns.com. dns.digicertdns.com. 2009014920 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0