app.cream.sk has no MX records.
Question and response
Question
dig app.cream.sk. MX
Answer
The response has no answer records.
Authority
cream.sk. 60 SOA ns.cream.sk. hostmaster.cream.sk. 2025082204 28800 7200 2419200 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0