mx.nmrobotics.com has no NS records.
NS records for this zone are defined at nmrobotics.com.
NS records for this zone are defined at nmrobotics.com.
Question and response
Question
dig mx.nmrobotics.com. NS
Answer
The response has no answer records.
Authority
nmrobotics.com. 3600 SOA dns.nmrobotics.com. hostmaster.nmrobotics.com. 1263049685 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0