mail.ns3.ezpublishing.com has no NS records.
NS records for this zone are defined at ns3.ezpublishing.com.
NS records for this zone are defined at ns3.ezpublishing.com.
Question and response
Question
dig mail.ns3.ezpublishing.com. NS
Answer
The response has no answer records.
Authority
ns3.ezpublishing.com. 0 SOA ns.ezpublishing.com. hostmaster.ezpublishing.com. 2018080800 3600 3600 3600000 0
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0