edit-icon download-icon

Evaluate record conflicts

Last Updated: Sep 30, 2017

You can add different types of DNS records for the same RR value and ISP line, however, they may conflict with each other. This document explains the rules that Alibaba Cloud DNS uses to evaluate record conflicts.

Record rules

The following table describes whether different DNS records with the same RR value and ISP line will create a conflict. In the table, the following signs are used:

  • ×: indicates a conflict will occur. Different types of records with the same RR value and ISP line are not allowed to coexist.
  • : indicates a conflict will not occur. Different types of records with the same RR value and ISP line can coexist.
Type NS CNAME A MX TXT AAAA SRV
NS × × × × × ×
CNAME × × × × × × ×
A × ×
MX × ×
TXT × ×
AAAA × ×
SRV × ×
Thank you! We've received your feedback.