pluspunkthosting.net has no MX records.
Question and response
Question
dig pluspunkthosting.net. MX
Answer
The response has no answer records.
Authority
pluspunkthosting.net. 3600 SOA nameserver1.pluspunkthosting.de. hostmaster.punkt.de. 2024051300 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0