Key-Systems is continuously expanding its domain offerings. Clients can currently register domains, choosing from more than 200 top-level and second-level domain extensions through Key-Systems customer portals, domaindiscount24.com and RRPproxy.net. The firm’s corporate domain portal, BrandShelter.com provides worldwide registration and administration of domains including all possible extensions. With BrandShelter.com customers can administer their international domains and control the use of their name and trademarks on the internet name space via an online portal. Key-Systems currently manages more than 2.6 million internet addresses. Registrarstats.com names Key-Systems as the second largest ICANN registrar in Europe and one of the 15 largest worldwide. The company is headquartered in Zweibrücken, Germany and has subsidiaries in the US and Mexico.