mx.wijienvelopes.com has no NS records.
NS records for this zone are defined at wijienvelopes.com.
NS records for this zone are defined at wijienvelopes.com.
Question and response
Question
dig mx.wijienvelopes.com. NS
Answer
The response has no answer records.
Authority
wijienvelopes.com. 3600 SOA dns.wijienvelopes.com. hostmaster.wijienvelopes.com. 1418843184 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0