mx.ikeric.com has no NS records.
NS records for this zone are defined at ikeric.com.
NS records for this zone are defined at ikeric.com.
Question and response
Question
dig mx.ikeric.com. NS
Answer
The response has no answer records.
Authority
ikeric.com. 3600 SOA dns.ikeric.com. hostmaster.ikeric.com. 1823375557 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0