mail2.ipromedia.us has no NS records.
NS records for this zone are defined at ipromedia.us.
NS records for this zone are defined at ipromedia.us.
Question and response
Question
dig mail2.ipromedia.us. NS
Answer
The response has no answer records.
Authority
ipromedia.us. 900 SOA ns-372.awsdns-46.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0