Not bad at all.
"If it doesn't suck, we ain't doing it."
- Adam Gase 7/31/2016
I like yours the most, but there needs yo be some more definition between the head and the tail. As it stands the tail looks like a growth out of the head. Your design is the best, especially with the font type. Just a little touchup with shading and lines with the tail and it will be perfect..
If you want the .com in there it can easily be done.
2 more variants: