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2025-04-06 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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In this issue, the editor will bring you about how many sub-domain names can be resolved. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.
Domain names can resolve countless subdomains, which are the next level of the top-level domain name, and the domain name as a whole consists of two "." Or include a "." Wait. For example, news.west..cn is a subdomain name of yisu.com.
When do I use a subdomain name?
If a website has a lot of content, then consider dividing one of the separate pieces of content and using sub-domain names to create them.
What are the ways of domain name resolution?
A record: point the domain name to an IP address; the corresponding resolved record value is the IP address
CNAME: point the domain name to another domain name; the record value of the corresponding resolution is the domain name address
AAAA: point the domain name to an IPv6 address
NS: specify the subdomain name to be resolved by another DNS server; the corresponding resolution record value is the specific DNS name
MX: point the domain name to the mail server address; the record value corresponding to the resolution is the mail address
SRV: record the server that provides a specific service
TXT: text length limit 512, usually do SPF records (anti-spam); generally do not use
CAA:CA Certification Authority authorizes verification
Commonly used are A parsing and CNAME parsing.
The above is how many sub-domain names can be resolved by the domain name shared by the editor. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.
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