Voovoo sorry for the long delay in answering, I am still working on it. I finally received on my first one today. I won’t bother posting it, so I can take a look closer look. There is a common thread to all of them, that being playtech. Also pay attention to the ConcentricHost(3.3) MX in particular MX.
From what I know thus far mx1.21magic.com is a subdomain. All I have thus far is speculation.
greek39