mx.loveatphiladelphia.com has no NS records.
NS records for this zone are defined at loveatphiladelphia.com.
NS records for this zone are defined at loveatphiladelphia.com.
Question and response
Question
dig mx.loveatphiladelphia.com. NS
Answer
The response has no answer records.
Authority
loveatphiladelphia.com. 3600 SOA dns.loveatphiladelphia.com. hostmaster.loveatphiladelphia.com. 1765799626 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0