There are many. Duckdice, ethexbet, even rocket run added a dice game to their site. Go check them out. And if I am not mistaken even Bitsler does that.
ethexbet is not a dice site it's a lottery website that uses ethereum smart contract
I used to remember rollin.io as being one of the sites that rolls whole numbers, now thats gone,
now there are too many sites to check... list some sites if you know, thanks.
if you want to try a dice game maybe you can visit stake/primedice.
On stake you can play many games like the new game crash or others.