Features pertain to determining, at a client device, to send a query to a network access node. The query may be associated with a plurality of serving networks, each serving network identified with a serving network identifier. A first serving network identifier may be selected to associate with the query. The query may be sent to the network access node. The query may include the first serving network identifier, and in some aspects, a second serving network identifier. Additional features pertain to receiving, at a network node, a query including a first serving network identifier. The network node may be associated with a plurality of serving networks. A first server to which to forward the query may be determined at the network node. The first serving network identifier identifies the first server. The query may be sent to the first server.