mail.advaix.net has no NS records.
NS records for this zone are defined at advaix.net.
NS records for this zone are defined at advaix.net.
Question and response
Question
dig mail.advaix.net. NS
Answer
The response has no answer records.
Authority
advaix.net. 1800 SOA ns-us.wnet.pro. hostmaster.wnet.pro. 2026021805 1800 1800 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0