View functions of domain name resolution allow different query results to be displayed for different subscribers.

When multiple carriers use the same DNS server, different results can
be returned to different subscribers. This ensures the independence of
devices between carriers.

Figure 1 Working principle of view functions of domain name resolution


http://localhost:7904/pages/31185199/02/31185199/02/resources/figure/cn_10_01_1430020_fig1.png

1. The client sends a request to query for domain name resolution to the DNS server.
2. The DNS server queries for the configuration based on the IP address of the client and sends the result to the client.

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