mx.albardins.com has no NS records.
NS records for this zone are defined at albardins.com.
NS records for this zone are defined at albardins.com.
Question and response
Question
dig mx.albardins.com. NS
Answer
The response has no answer records.
Authority
albardins.com. 3600 SOA dns.albardins.com. hostmaster.albardins.com. 1207487470 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0