mail.servinet.co.za has no NS records.
NS records for this zone are defined at co.za.
NS records for this zone are defined at co.za.
Question and response
Question
dig mail.servinet.co.za. NS
Answer
The response has no answer records.
Authority
servinet.co.za. 3137 SOA ns01.hkdns.host. hostmaster.servinet.co.za. 2025123010 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0