Patent ID: 8156249

Claim:
A method implemented at least in part by a computer, the method comprising: receiving a first request from a client for an address corresponding to a network name, the client being configured to communicate via a first network protocol; in response to the first request received from the client for the address, issuing multiple name resolution requests to obtain the address, issuing the multiple name resolution requests comprising sending a second request for the address to a server that resolves network names for the first network protocol and sending a third request for the address to a server that resolves network names for a second network protocol; and receiving a first response to either the second request or the third request, wherein receiving a first response to either the second request or the third request comprises receiving the first response in regards to the third request, the first response indicating that the network name is not registered for the second network protocol and further comprising indicating that the network name is associated with the first network protocol and waiting for a response in regards to the second request before sending a response to the client.