The registration at GoIP.de is simple and free of charge. Just fill in the form and after a few minutes you will receive an email containing the activation link for your new account.
Attention: Your email will be used as login and is like the password case sensitve.
The password should be between 8 and 64 characters as a combination of lower-, uppercase letters and numbers.
I assume no liability for this service. This means I can not guarantee in any form for availability, compatibility or consistency of this service.
Otherwise, I would ask you to comply with German law. No trademark infringement or illegal content. User accounts with obvious violations will be locked or deleted without any comment. The same applies to counterfeit user account informations (like fake names or invalid email addresses).