who.is seem not work good

[xtmoney]

i make deep scan of all 3 symbols of com,net , org,us and biz and found some 3 NNN .us
and most domain checkers say that they are available even WHO.IS . who is say:

NNNus appears to be available
Register NNN.us at Name.com!

when i try to register it say - taken. What can be the reasons to happen this?

 

[thewebhostingdir]

Hmm seems lack of accuracy but it has been working perfectly for me who.is

 

[turnhardtoeasy]

yep... me too using it a lot...
didnt notice that