mx0001.neo.space has no NS records.
NS records for this zone are defined at neo.space.
NS records for this zone are defined at neo.space.
Question and response
Question
dig mx0001.neo.space. NS
Answer
The response has no answer records.
Authority
neo.space. 900 SOA ns-835.awsdns-40.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0