spx05.mail.isx.net.nz has no NS records.
NS records for this zone are defined at isx.net.nz.
NS records for this zone are defined at isx.net.nz.
Question and response
Question
dig spx05.mail.isx.net.nz. NS
Answer
The response has no answer records.
Authority
isx.net.nz. 3600 SOA ns1.net24.net.nz. hostmaster.net24.net.nz. 2026022610 3600 900 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0