| 摘要 |
A method of sending an electronic communication from a first terminal to a second terminal via one or more hosts. According to one embodiment, the method includes sending a query for an address for a first host to a first domain name server, the first domain name server having a domain name. The method also includes sending a query for the address for the first host to a second domain name server when the first domain name server does not resolve the address, the second domain name server having a domain name including an extension, wherein the extension includes the domain name of the first domain name server. In addition, the method includes resolving the address at the secondary domain server.
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