dns2.aput.net has no NS records.
NS records for this zone are defined at aput.net.
NS records for this zone are defined at aput.net.
Question and response
Question
dig dns2.aput.net. NS
Answer
The response has no answer records.
Authority
aput.net. 900 SOA dns1.aput.net. hostmaster.aput.net. 2026010810 3600 1800 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0