mx.pressurewasherdirect.com has no NS records.
NS records for this zone are defined at pressurewasherdirect.com.
NS records for this zone are defined at pressurewasherdirect.com.
Question and response
Question
dig mx.pressurewasherdirect.com. NS
Answer
The response has no answer records.
Authority
pressurewasherdirect.com. 3600 SOA dns.pressurewasherdirect.com. hostmaster.pressurewasherdirect.com. 1990541082 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0