_spf.webglobe.cz has no MX records.
Question and response
Question
dig _spf.webglobe.cz. MX
Answer
The response has no answer records.
Authority
webglobe.cz. 3600 SOA ns1.webglobe.cz. root.webglobe.sk. 2026022001 28800 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0