ws3.jagu.cz has no MX records.
Question and response
Question
dig ws3.jagu.cz. MX
Answer
The response has no answer records.
Authority
jagu.cz. 3600 SOA ns1.hosting90.cz. admin.hosting90.cz. 2026022405 7200 1200 1209600 3600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0