mx.thenaplescenter.com has no NS records.
NS records for this zone are defined at thenaplescenter.com.
NS records for this zone are defined at thenaplescenter.com.
Question and response
Question
dig mx.thenaplescenter.com. NS
Answer
The response has no answer records.
Authority
thenaplescenter.com. 3600 SOA dns.thenaplescenter.com. hostmaster.thenaplescenter.com. 1668628483 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0