worldstream.net has no MX records.
Question and response
Question
dig worldstream.net. MX
Answer
The response has no answer records.
Authority
worldstream.net. 3600 SOA ns1.worldstream.nl. hostmaster.worldstream.nl. 2026022702 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0