mailgateway.zsurob.hu has no NS records.
NS records for this zone are defined at zsurob.hu.
NS records for this zone are defined at zsurob.hu.
Question and response
Question
dig mailgateway.zsurob.hu. NS
Answer
The response has no answer records.
Authority
zsurob.hu. 300 SOA dns0.zoneedit.com. zone.zoneedit.com. 1774501986 3600 600 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0