exist.techviax.com has no NS records.
NS records for this zone are defined at techviax.com.
NS records for this zone are defined at techviax.com.
Question and response
Question
dig exist.techviax.com. NS
Answer
The response has no answer records.
Authority
techviax.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1763652922 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0