.mls FAQ

Multiple listing services (MLS) in defined as a marketing database with the purpose to provide accurate and structured data about properties for sale. It is organized for and used by real estate professionals. The MLS Domains association is looking to create an exclusive trusted address for MLS's on the internet with .mls. The .mls will provide universal consumer recognition and can be used by brokers and others MLS members. Currently the terms 'multiple listing service' and 'MLS' are not registered trademarks that only MLSs can use which means that anyone in the online world can use MLS in a domain name which has cause consumer confusion. The MLS Domain Association is looking to take back the name by creating .mls which would be restricted to legitimate multiple listing services only.
Source: cpr144449003101 mlsdomain.org