mxr8.enom.com has no NS records.
NS records for this zone are defined at enom.com.
NS records for this zone are defined at enom.com.
Question and response
Question
dig mxr8.enom.com. NS
Answer
The response has no answer records.
Authority
enom.com. 120 SOA ns1.enom.com. hostmaster.enom.com. 1771939069 43200 120 604800 120
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0