zmhn092403.onemail.vn has no NS records.
NS records for this zone are defined at onemail.vn.
NS records for this zone are defined at onemail.vn.
Question and response
Question
dig zmhn092403.onemail.vn. NS
Answer
The response has no answer records.
Authority
onemail.vn. 3600 SOA ns-master.inet.vn. postmaster.inet.vn. 2015072800 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0