mx.faipnorthamericainc.com has no NS records.
NS records for this zone are defined at faipnorthamericainc.com.
NS records for this zone are defined at faipnorthamericainc.com.
Question and response
Question
dig mx.faipnorthamericainc.com. NS
Answer
The response has no answer records.
Authority
faipnorthamericainc.com. 3600 SOA dns.faipnorthamericainc.com. hostmaster.faipnorthamericainc.com. 1626313032 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0