mx.cancuntravelclub.com has no NS records.
NS records for this zone are defined at cancuntravelclub.com.
NS records for this zone are defined at cancuntravelclub.com.
Question and response
Question
dig mx.cancuntravelclub.com. NS
Answer
The response has no answer records.
Authority
cancuntravelclub.com. 3600 SOA dns.cancuntravelclub.com. hostmaster.cancuntravelclub.com. 1138048842 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0