I use a number of services. None are full proof.
Occasionally, expirefish will catch something for me.
But, I know the only thing they will catch are
"second tier" names.
If you are not buying a number of names. Their multi
name service is not for you.
Plus, and I don't understand why, their computer
software is extemely slow. If I was using a
dial service with them, I would have to go to lunch
to go from page to page.
Nothing is full proof.