| 摘要 |
A method and an apparatus to store content rating information have been disclosed. In one embodiment, the method includes receiving a user request to access a web page, sending a domain name system (DNS) request to a first one of a plurality of DNS servers from a content filtering client to get content rating information of the web page in response to the user request, and receiving from the first one DNS server a DNS response containing the content rating information to the content filtering client. Other embodiments have been claimed and described.
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