mx2.afrinic.net has no NS records.
NS records for this zone are defined at afrinic.net.
NS records for this zone are defined at afrinic.net.
Question and response
Question
dig mx2.afrinic.net. NS
Answer
The response has no answer records.
Authority
afrinic.net. 3600 SOA ns1.afrinic.net. dns-admin.afrinic.net. 2026022221 14400 3600 36288000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0