mx2.niif.hu has no MX records.
Question and response
Question
dig mx2.niif.hu. MX
Answer
The response has no answer records.
Authority
niif.hu. 3600 SOA ns2.iif.hu. hostmaster.iif.hu. 2026021901 43200 7200 172800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0