To whomever is DDoSing our website:
If you're a client (unlikely), please open a ticket and we can resolve this problem.
However, I believe this is more likely:
If you're trying to run us out of competition, you're doing an awful job. I'm this close to including DDoS protection on every VPS, at no price increase. I'm pretty sure that would be the opposite of what you're trying to accomplish here.