http://$sum(7,18,-9.4).x42.com/ ??

[aldenr at my-deja.com]

Hiya,
    I am a little confused with this URL ( http://$sum(7,18,-
9.4).x42.com/ ) . I was wondering whether any of the guys on this
channel had any idea on how something like this can be done. I think
that there is some DNS trickery taking place in the background. Any
clues ?

Regards,
Al.


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