mx3.geetel.net has no MX records.
Question and response
Question
dig mx3.geetel.net. MX
Answer
The response has no answer records.
Authority
geetel.net. 400 SOA ns1.geetel.net. root.geetel.net. 2025146822 7200 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0