mail.mpcustomer.com has no NS records.
NS records for this zone are defined at mpcustomer.com.
NS records for this zone are defined at mpcustomer.com.
Question and response
Question
dig mail.mpcustomer.com. NS
Answer
The response has no answer records.
Authority
mpcustomer.com. 600 SOA ns1.midphase.com. hostmaster.westdc.net. 2025112005 86400 7200 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0