bb.euroweb.sk has no MX records.
Question and response
Question
dig bb.euroweb.sk. MX
Answer
The response has no answer records.
Authority
bb.euroweb.sk. 86400 SOA auth1.ns.swan.sk. hostmaster.swan.sk. 2008020103 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0