Take the domain name multi-line analysis to realize the shutdown without affecting the included

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Recently, Xiamen small fish, the Dragon Lane, I burn nets and other domestic well-known websites voluntary shutdown self-examination caused a sensation, of which Xiamen small fish and the Dragon Lane has been unable to open, I burned the net has a home notice, but we found that although their site has been closed, but their Baidu snapshots are still in the update, this is how to achieve it?

There are a number of ways to do this before, such as. htaccess file turn ah what, Asahi East today and you share a simple way to achieve this function

We know that users visit our site is the first domain DNS resolution server to visit, and then by the DNS server for us to resolve the corresponding resolution of the IP address, access to the IP address, the server according to the binding situation for us to show a different site page, Using the. htaccess jump is implemented at the server level to close the web search engine can still crawl in, below for you to introduce a solution at the DNS level

Some of the domestic DNS service providers can identify the type of user routing, such as telecommunications users or netcom users, domestic or foreign users, is the person or? Of course, that is to say, he can separate out the search engine spiders, he can be based on the type of access to the user to resolve different IP address, This allows different users to access different pages

According to the author understand the domestic domain provider itself provided by the DNS server mostly do not have this function, the author is using dnspod free DNS service, dnspod new version can give each record to specify the line type

Now we're going to shut down the site but we also need search engine spiders to crawl every day to avoid the impact of the inclusion and weight, we just need to change the default line to search engine lines, if you need to burn the net like I give ordinary users an explanation page, we can build two a record. One is the default line to point to the site is a single page, search engine lines point to the real site (did not turn off the site)

The above situation is our average user access to the closed site, but the search engine can be as usual to crawl the page

Dnspod has already provided this function, but the online coverage is relatively few

In fact, you can use this function to achieve a lot of ideas, this depends on your "creative"! Because Dnspod offers a lot of options, see the following figure:

All right, I'll share it with you today.

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