mail30.avectra.info has no NS records.
NS records for this zone are defined at avectra.info.
NS records for this zone are defined at avectra.info.
Question and response
Question
dig mail30.avectra.info. NS
Answer
The response has no answer records.
Authority
avectra.info. 600 SOA ns77.domaincontrol.com. dns.jomax.net. 2022120200 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0