mail.atw.hu has no NS records.
NS records for this zone are defined at atw.hu.
NS records for this zone are defined at atw.hu.
Question and response
Question
dig mail.atw.hu. NS
Answer
The response has no answer records.
Authority
atw.hu. 1800 SOA ns1.atw.hu. postmaster.atw.hu. 2015100304 43200 10800 604800 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0