mx.hapitv.info has no NS records.
NS records for this zone are defined at hapitv.info.
NS records for this zone are defined at hapitv.info.
Question and response
Question
dig mx.hapitv.info. NS
Answer
The response has no answer records.
Authority
hapitv.info. 3600 SOA dns.hapitv.info. hostmaster.hapitv.info. 1629040798 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0