hmm is a ip block on the acc creation? or on both?
after mail enter i get

注）弊社の対策によるIPアドレスやドメインがブロックされることがございますので、ご了承を お願いいた
します。
tranlation
Note) because there is a IP address due to the measure of our company and times when domain is blocked, acknowledgement it was to ask, it does.
if a ip block on server too i dont need to register ^^
can anyone help?