mx.mlrcld.com has no NS records.
NS records for this zone are defined at mlrcld.com.
NS records for this zone are defined at mlrcld.com.
Question and response
Question
dig mx.mlrcld.com. NS
Answer
The response has no answer records.
Authority
mlrcld.com. 3600 SOA pns31.cloudns.net. support.cloudns.net. 2026011201 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0