DNS query process-Linux Enterprise Application-Linux server application information. For details, refer to the following section. When host A wants to access a. B .com, it submits the dns to query the dns server set by host A. the dns server performs the following operations:
Check whether there are records. If yes, return the results to host A. If no, continue to the next step.
When the dns server submits a query to the top-level domain (root), the root will return the address of the management. com server.
The dns server manages the. com Server query to obtain the IP address of the dns host that manages. B .com.
The dns server manages the Server Query of. B .com and returns the IP address of a. B .com to host A, and stores the result in the local cache. The query results for the same domain name are directly provided.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
