mx1.neospire.net has no NS records.
NS records for this zone are defined at neospire.net.
NS records for this zone are defined at neospire.net.
Question and response
Question
dig mx1.neospire.net. NS
Answer
The response has no answer records.
Authority
neospire.net. 3600 SOA ns1.safesecureweb.com. abuse.ntirety.com. 48 10800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0