12.104.99.93.finalhosting.cz has no MX records.
Question and response
Question
dig 12.104.99.93.finalhosting.cz. MX
Answer
The response has no answer records.
Authority
finalhosting.cz. 1800 SOA ns.gransy.com. root.gransy.com. 2770830443 86400 900 1209600 1800
12.104.99.93.finalhosting.cz. 1800 NSEC 128.104.99.93.finalhosting.cz. A RRSIG NSEC
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0