tencent cloud

All product documents
Private DNS
DocumentationPrivate DNSOperation GuideRound-Robin DNS Description
Round-Robin DNS Description
Download PDF
Last updated: 2023-04-25 14:59:32
Round-Robin DNS Description
Last updated: 2023-04-25 14:59:32
Download PDF

Overview

The Private DNS-based round-robin DNS is implemented following the principle that different record values are set under the same host record and record type, with a record value returned based on the associated weights after random polling. If there are multiple record values under the same host record and record type, and you want to distribute the access traffic to each record value, this feature can help you implement it.
Note: The record value returned by resolution is randomly polled but not assigned based on the server load and operating conditions.

Examples

A and CNAME records support round-robin DNS. The example settings for each record type are as shown below.

Example round-robin DNS settings for A records

Host Record
Type
Value
Weight
TTL
www
A
1.1.1.1
50
300
www
A
2.2.2.2
50
300

Example round-robin DNS settings for CNAME records

Host Record
Record Type
Value
Weight
TTL
www
CNAME
www.dnspod.com
50
300
www
CNAME
www.dnspod.cn
50
300

Use Limits

Those DNS records out of the limit cannot be properly added. To set the number of round-robin DNS records, purchase Value-Added Service Packages first.
Record Type
Number of Round-Robin DNS Records
Remarks
A
10
-
AAAA
10
-
TXT
20
Weight setting is unavailable for TXT round-robin DNS.
CNAME
5
-
MX
50
-
PTR
PTR record does not support round-robin DNS.
-

Was this page helpful?
You can also Contact Sales or Submit a Ticket for help.
Yes
No

Feedback

Contact Us

Contact our sales team or business advisors to help your business.

Contact Us
Technical Support

Open a ticket if you're looking for further assistance. Our Ticket is 7x24 avaliable.

Submit a Ticket
7x24 Phone Support
Hong Kong, China
+852 800 906 020 (Toll Free)
United States
+1 844 606 0804 (Toll Free)
United Kingdom
+44 808 196 4551 (Toll Free)
Canada
+1 888 605 7930 (Toll Free)
Australia
+61 1300 986 386 (Toll Free)
EdgeOne hotline
+852 300 80699
More local hotlines coming soon