dns.vioterracore.com has no NS records.
NS records for this zone are defined at vioterracore.com.
NS records for this zone are defined at vioterracore.com.
Question and response
Question
dig dns.vioterracore.com. NS
Answer
The response has no answer records.
Authority
vioterracore.com. 3600 SOA dns.vioterracore.com. hostmaster.vioterracore.com. 1115539359 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0