is this safe?

[SmdLeaf]

is this spoofer safe to use and dose it work?

[rtpt-erikgeiser]

Of course pretender works. What exactly do you mean by "safe to use"? To safely use pretender, you should know what you are doing as it affects other computers on you network, but that's the whole point of it. You can read our blog post in order to understand the different attack modes.