ns2.is-fun.net has no MX records.
Question and response
Question
dig ns2.is-fun.net. MX
Answer
The response has no answer records.
Authority
is-fun.net. 300 SOA ns1.is-fun.net. hostmaster.is-fun.com. 2025082502 1200 7200 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0