redirect.bmwgroup.com has no MX records.
Question and response
Question
dig redirect.bmwgroup.com. MX
Answer
The response has no answer records.
Authority
bmwgroup.com. 900 SOA ns.bmw.de. domadm.bmw.de. 2011128855 10800 3600 2592000 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0