_spf.tvnetwork.hu has no NS records.
NS records for this zone are defined at tvnetwork.hu.
NS records for this zone are defined at tvnetwork.hu.
Question and response
Question
dig _spf.tvnetwork.hu. NS
Answer
The response has no answer records.
Authority
tvnetwork.hu. 600 SOA drava.dravanet.hu. postmaster.dravanet.hu. 2025112001 29000 14400 2592000 45600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0