mx.furmanek.info has no NS records.
NS records for this zone are defined at furmanek.info.
NS records for this zone are defined at furmanek.info.
Question and response
Question
dig mx.furmanek.info. NS
Answer
The response has no answer records.
Authority
furmanek.info. 3600 SOA dns.furmanek.info. hostmaster.furmanek.info. 1688291322 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0