Seevast Corp., an operator of online ad networks, has sold its Moniker domain management unit to internet marketer Oversee.net. New York-based Seevast said it unloaded Moniker, acquired in 2006, to concentrate more on running ad networks Pulse 360 and Kanoodle. Financial terms were not disclosed. Oversee will expand its domain management services by adding Moniker’s live auction and back-office capabilities. Seevast release is here; Oversee release is here.