the enterprise level managed DNS service by DNS.com

the enterprise level managed DNS service by DNS.com
http://www.best-dns-service.com/

Aside from the flexibility offered by DNS.com with their Geo DNS service, their clients also have the freedom to assign multiple addresses to regions, which will effectively distribute visitor traffic between multiple servers. Additionally, DNS.com clients are given the capability to make custom geo groups so they can target regions that share the common language, currency or other demographics to match their business needs. Users can create and manage multiple record types, including A, CNAME, NS, TXT, AAAA, MX, SRV, SPF, URL forwards and more.