ns1.clicsa.com has no MX records.
Question and response
Question
dig ns1.clicsa.com. MX
Answer
The response has no answer records.
Authority
clicsa.com. 14400 SOA ns1.clicsa.com. root.focus.websitewelcome.com. 2026012101 14400 7200 3600000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0