bt.satoya.cz has no MX records.
Question and response
Question
dig bt.satoya.cz. MX
Answer
The response has no answer records.
Authority
satoya.cz. 86400 SOA ns.satoya.cz. hostmaster.satoya.cz. 2026030402 43200 7200 1814400 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0