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How many secondary domain names can be built for a domain name? I believe that many inexperienced people are at a loss about this, so this article summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

From a technical point of view, numerous secondary domain names can be built under one domain name. From the perspective of sub-domain names, each domain name can resolve countless subordinate sub-domain names. That is, the first-level domain name can resolve unlimited second-level domain names, a second-level domain name can resolve unlimited third-level domain names, and so on.

This is a technical analysis of "how many second-level domain names can be built under a domain name". In practical application, many cloud services will make restrictions. For example, for virtual hosts, most of them do not support setting up second-level domain names; all cloud servers support second-level domain names, but the number of second-level domain names will be limited.

If we resolve an unlimited number of secondary domain names, it will increase the burden on the DNS server and affect the performance of the entire DNS server. In general, cloud services will limit the number of second-level domain names to a certain number, such as 10, 20, and so on. If you need to open more, you need to apply.

In classified information, regional substations and other websites, we can often see the use of second-level domain names and third-level domain names.

To set up a second-level domain name, you generally need to have enough content to build it, such as regional substations. Every city and province has a lot of information to build, so many regional substations are mostly built with secondary domain names, such as regional news, regional real estate, regional forums and so on.

After reading the above, do you know how many second-level domain names can be built for a domain name? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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