I find it really interesting that they registered that particular misspelling and they both point to the same servers. I can see doing this for some obvious domains like gogle.com, but the distinction there is simply that r+n looks like m.
Probably a really obvious answer here, but my guess is that they are trying to help people throw off the scent of someone browsing a history.
I think it's more likely that they bought the domain to prevent scammers from trying to bait users onto a fake site and enter login info, and since they have it why not redirect traffic.
ashleymadison.com
ashleyrnadison.com
I find it really interesting that they registered that particular misspelling and they both point to the same servers. I can see doing this for some obvious domains like gogle.com, but the distinction there is simply that r+n looks like m.
Probably a really obvious answer here, but my guess is that they are trying to help people throw off the scent of someone browsing a history.