hosting.visp.com.ua has no MX records.
Question and response
Question
dig hosting.visp.com.ua. MX
Answer
hosting.visp.com.ua. 5 CNAME ext-sites.visp.com.ua.
Authority
visp.com.ua. 8822 SOA ns1.visp.com.ua. admin.visp.net.ua. 2025070301 28800 7200 1209600 28800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0