fe.s4.ax.email has no NS records.
NS records for this zone are defined at ax.email.
NS records for this zone are defined at ax.email.
Question and response
Question
dig fe.s4.ax.email. NS
Answer
The response has no answer records.
Authority
ax.email. 900 SOA ns1.corp.ventraip.net.au. servers.vip-servers.com. 2026013102 3600 1800 1209600 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0