A detection method and device for CDN nodes
A detection method and node technology, applied in the Internet field, can solve the problems of high resource usage and low detection efficiency, and achieve the effects of improving accuracy, improving detection efficiency, and saving resources
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Embodiment 1
[0070] The embodiment of the present invention provides a CDN node detection method, referring to figure 1 As shown, the method includes:
[0071] 101. Simulate the domain name resolution request of the client, and send the domain name resolution request to multiple domain name servers.
[0072] 102. Receive domain name resolution results respectively returned by multiple domain name servers for domain name resolution requests.
[0073] 103. Obtain feature information of the visited website according to the domain name resolution results returned by multiple domain name servers for the domain name resolution request, and the domain name resolution request carries the domain name information of the visited website.
[0074] 104. Determine the CDN node suspicion of the visited website according to the characteristic information of the visited website.
[0075] Specifically, the characteristic information includes at least the CName corresponding to the domain name information,...
Embodiment 2
[0098] The embodiment of the present invention provides a CDN node detection method, referring to figure 2 As shown, the methods include:
[0099] 201. Simulate the domain name resolution request of the client, and send the domain name resolution request to multiple domain name servers, where the domain name resolution request carries domain name information of the visited website.
[0100] A web browser is installed on the client, and the client may be a desktop computer, a notebook computer, a laptop computer, a mobile phone, a personal digital assistant, and the like.
[0101] A domain name server, also known as a DNS server (Domain Name Server), is a server used for converting domain names and IP addresses corresponding to domain names.
[0102] The plurality of domain name servers include the domain name server of the basic operator and the domain name server of the enterprise, wherein the domain name server of the basic operator, such as the DNS server of China Unicom ...
Embodiment 3
[0170] An embodiment of the present invention provides a detection device for a CDN node, referring to image 3 As shown, the detection device 3 of the CDN node includes:
[0171] The obtaining module 31 is used to obtain the characteristic information of the visited website according to the domain name resolution results returned by multiple domain name servers for the domain name resolution request, and the domain name resolution request carries the domain name information of the visited website;
[0172] Determination module 32, is used for determining the CDN node suspicion degree of visited website according to the characteristic information of visited website;
[0173] A judging module 33, configured to judge whether there is a CDN node in the visited website according to the CDN node suspicion degree.
[0174] Optionally, the characteristic information includes at least CName corresponding to the domain name information, the IP address and the distribution area of th...
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