mx.allkeylessentry.com has no NS records.
NS records for this zone are defined at allkeylessentry.com.
NS records for this zone are defined at allkeylessentry.com.
Question and response
Question
dig mx.allkeylessentry.com. NS
Answer
The response has no answer records.
Authority
allkeylessentry.com. 3600 SOA dns.allkeylessentry.com. hostmaster.allkeylessentry.com. 1403775458 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0