h248.version6.net has no NS records.
NS records for this zone are defined at version6.net.
NS records for this zone are defined at version6.net.
Question and response
Question
dig h248.version6.net. NS
Answer
The response has no answer records.
Authority
version6.net. 604800 SOA ns.eunet.ee. hostmaster.data.ee. 2020100800 1200 500 3628800 604800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0