mx.cundaleyla.com has no NS records.
NS records for this zone are defined at cundaleyla.com.
NS records for this zone are defined at cundaleyla.com.
Question and response
Question
dig mx.cundaleyla.com. NS
Answer
The response has no answer records.
Authority
cundaleyla.com. 3600 SOA dns.cundaleyla.com. hostmaster.cundaleyla.com. 1947268579 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0