What is the minimum character restriction for second-level .pro domains?
All second-level .Pro domains must be a minimum of 4 characters long. The maximum character length is 63 characters.
What is the minimum character restriction for third-level .pro domains?
All third-level .pro domains must be a minimum of 4 characters long, and may not be more than 63 characters in length. Third-level domains with hyphens in the third and fourth character positions (e.g.. bbq-.pro) will not be accepted.
