mx.judithcody.com has no NS records.
NS records for this zone are defined at judithcody.com.
NS records for this zone are defined at judithcody.com.
Question and response
Question
dig mx.judithcody.com. NS
Answer
The response has no answer records.
Authority
judithcody.com. 3600 SOA dns.judithcody.com. hostmaster.judithcody.com. 1496221586 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0