Website builder Squarespace is adding an extra string to its bow today with the launch of Squarespace Domains, a service that helps users procure more than 200 top-level domain (TLD) names from $20 to $70 a year. Founded in 2004, Squarespace has built a solid reputation in the creative realm, with a DIY platform for building and hosting websites, alongside a content-management system (CMS) for bloggers.