How to resolve a domain name to multiple IP addresses?

as everyone knows , A domain name can be resolved to a IP Address , Then a domain name can be resolved to multiple IP The address? ？

Certainly. ！

How to put a Domain name resolution To more than one IP Address ？
When adding A Type or AAAA Type resolution record , Parameters “ value ” Multiple entries are supported IP Address , Resolve the domain name to multiple IP Address .
When parsing records “ value ” Contains multiple IP Address time , Domain name resolution will return all IP Address , But return IP The order of addresses is random , The browser defaults to the first returned IP Address as the result of parsing .
The parsing process is as follows ：
1. Website visitors send messages to Local DNS Send resolution request .

2.Local DNS Forward the parsing request level by level to authority DNS.

3. authority DNS After receiving the parsing request , Will all IP The addresses are all returned in random order Local DNS.

4.Local DNS Will all IP Address back to browser .

5. Website visitors' browsers randomly visit one of them IP Address , Usually select the first one returned IP Address .

6. According to a large number of test data , Resolve to each IP The proportion of addresses is nearly equal .

for example , The domain name of a website is “example.com”, Deployed 3 Servers , Corresponding IP The addresses are ：192.168.1.1、192.168.1.2、192.168.1.3.
Is the domain name “example.com” Configure a A Type Recordset , Set the recordset value to 3 individual IP Address .
chart 1 Recordset list （ Multiple IP）

When different users visit the website , The returned parsing results are shown in table 1 Shown .
surface 1 Analysis result example

About China and Kuwait
The above is how to resolve a domain name to multiple IP The whole process of address , Domain name resolution is crucial to the normal access of the website , So choose a professional parsing service platform . The three parties of China and science as the holding company of the Chinese Academy of Sciences （ abbreviation “ Guoke holding ” or “ Chinese Academy of Sciences holding ”） Its domain name management brand , Focus on domain name security for more than 20 years , Provide professional Intelligent Cloud resolution , Faster parsing 、 More stable , Effectively improve the security protection ability of domain name resolution . Over the years, with professional technology and experience , For many provincial and municipal government departments 、 Central enterprises 、 Finance 、 Key industries such as scientific research and key customers provide domain name resolution 、 Domain name registration and other domain name management services .