mx.johnmaricic.com has no NS records.
NS records for this zone are defined at johnmaricic.com.
NS records for this zone are defined at johnmaricic.com.
Question and response
Question
dig mx.johnmaricic.com. NS
Answer
The response has no answer records.
Authority
johnmaricic.com. 3600 SOA dns.johnmaricic.com. hostmaster.johnmaricic.com. 1505953819 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0