What is Round-Robin DNS and how to set it up?

Round Robin DNS is a technique of load distribution, load balancing, or fault-tolerance provisioning multiple, redundant Internet Protocol service hosts (e.g. Web server, FTP servers), by managing the Domain Name System's (DNS) responses to address requests from client computers according to an appropriate statistical model.

Round robin DNS is often used to load balance requests between a number of Web servers. For example, a company has one domain name and three identical copies of the same web site residing on three servers with three different IP addresses. When one user tries to access the home page it will be sent to the first IP address. The second user who tries to access the home page will be sent to the next IP address, and the third user will be sent to the third IP address. In each case, once the IP address is given out, it goes to the end of the list. The fourth user, therefore, will be sent to the first IP address.

 Example configuration:

Host Record Type Points to:
example.com A ip.of.first.server
example.com A ip.of.second.server
example.com A ip.of.third.server


Round Robin DNS



Question: What hosting plan I need to use Round-Robin DNS?
Answer: Round-Robin DNS is included in the Free plan and all Paid plans. Sign up for free from here.

Question: Can I use ALIAS record in my Round-Robin DNS configuration?
Answer: Yes, you can use both A and ALIAS records in the Round-Robin DNS configuration

Question: Can I use CNAME record in my Round-Robin DNS configuration?
Answer: No, CNAME records are not supported for Round-Robin DNS configuration and cannot be used in combination with any other DNS record for a same host.

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