mx.theatercats.com has no NS records.
NS records for this zone are defined at theatercats.com.
NS records for this zone are defined at theatercats.com.
Question and response
Question
dig mx.theatercats.com. NS
Answer
The response has no answer records.
Authority
theatercats.com. 3600 SOA dns.theatercats.com. hostmaster.theatercats.com. 1691667653 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0