fw.office.lwlcom.net has no MX records.
Question and response
Question
dig fw.office.lwlcom.net. MX
Answer
The response has no answer records.
Authority
office.lwlcom.net. 3600 SOA ns01.lwldns.de. noc.lwlcom.net. 2026021802 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0