ipconfig.kn1.eu has no MX records.
Question and response
Question
dig ipconfig.kn1.eu. MX
Answer
The response has no answer records.
Authority
kn1.eu. 1800 SOA ajay.ns.cloudflare.com. dns.cloudflare.com. 2396148806 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0