mx.donmanuelhotel.com has no NS records.
NS records for this zone are defined at donmanuelhotel.com.
NS records for this zone are defined at donmanuelhotel.com.
Question and response
Question
dig mx.donmanuelhotel.com. NS
Answer
The response has no answer records.
Authority
donmanuelhotel.com. 3600 SOA dns.donmanuelhotel.com. hostmaster.donmanuelhotel.com. 1364467786 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0