web1.clook.net has no MX records.
Question and response
Question
dig web1.clook.net. MX
Answer
The response has no answer records.
Authority
clook.net. 1800 SOA elly.ns.cloudflare.com. dns.cloudflare.com. 2395749438 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0