_melblocks2.onvol.net has no NS records.
NS records for this zone are defined at onvol.net.
NS records for this zone are defined at onvol.net.
Question and response
Question
dig _melblocks2.onvol.net. NS
Answer
The response has no answer records.
Authority
onvol.net. 86400 SOA helium.melitacable.com. domains.melitacable.com. 2025081900 28800 7200 2419200 86400
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0