Exchange 2010 SP2 Federation TXT not resolving

Hello,

I am trying to put together an Exchange 2010 SP 2 UR 4 federation between two locally connected Forests. The problem is that when I try to enable the domain on either, it tells me it cannot validate the proof of ownership.

Having read up on SP2 changes to federation, it now uses a pre-set domain FYDIBOHF25SPDLT.yourdomain.local.

I have setup txt's for the child domain and the root domain. See below.

xxx.local Proof      : AxmyvSrYh39XK2scrjWh8ISLFd5Ok67IZJQAZpegfO1vhLP2Tq/YwZeghQqmt1o8tXLHdnUC4H9tm/CP7mcz7A==

FYDIBOHF25SPDLT.xxxxxx.local Proof      : LlcEurx5flphj3S5fuGsDVNoUNxZm/Z/M+HO6J0JJ4ny+3pZHz2QMTIUvAsYrfo4Ks5w/2IDsGDWTi4bMGVXpg==

ns results

xxxxx.local  text =

        "AxmyvSrYh39XK2scrjWh8ISLFd5Ok67IZJQAZpegfO1vhLP2Tq/YwZeghQqmt1o8tXLHdnU
C4H9tm/CP7mcz7A=="

FYDIBOHF25SPDLT.xxxxxx.local  text =

        "LlcEurx5flphj3S5fuGsDVNoUNxZm/Z/M+HO6J0JJ4ny+3pZHz2QMTIUvAsYrfo4Ks5w/2I
DsGDWTi4bMGVXpg=="

I have used the following:

http://www.expta.com/2011/07/how-to-configure-exchange-2010-sp1.html