mx.hillsidepartycenter.com has no NS records.
NS records for this zone are defined at hillsidepartycenter.com.
NS records for this zone are defined at hillsidepartycenter.com.
Question and response
Question
dig mx.hillsidepartycenter.com. NS
Answer
The response has no answer records.
Authority
hillsidepartycenter.com. 3600 SOA dns.hillsidepartycenter.com. hostmaster.hillsidepartycenter.com. 1481190437 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0