| http://www.w3.org/ns/prov#value | - ith user attribute information embedded to be processed at a conventional DNS server, the DNS server B1 of the present invention and other conventional DNS servers can be used together. [0121] Second is a method in which a message notifying that name resolution should be conducted at other DNS server is returned as a DNS response message to the client A1 and the client A1 having received the notic
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