dns2.metronet.hr has no MX records.
Question and response
Question
dig dns2.metronet.hr. MX
Answer
The response has no answer records.
Authority
metronet.hr. 3600 SOA dns1.a1.hr. dns.a1.hr. 2026021801 10800 7200 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0