mx.eatkitties.com has no NS records.
NS records for this zone are defined at eatkitties.com.
NS records for this zone are defined at eatkitties.com.
Question and response
Question
dig mx.eatkitties.com. NS
Answer
The response has no answer records.
Authority
eatkitties.com. 3600 SOA dns.eatkitties.com. hostmaster.eatkitties.com. 1790984887 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0