mx.aonixiaoke.com has no NS records.
NS records for this zone are defined at aonixiaoke.com.
NS records for this zone are defined at aonixiaoke.com.
Question and response
Question
dig mx.aonixiaoke.com. NS
Answer
The response has no answer records.
Authority
aonixiaoke.com. 3600 SOA dns.aonixiaoke.com. hostmaster.aonixiaoke.com. 1665531168 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0