Use valid Public IP DNS labels#
Operational Excellence · Public IP address · Rule · 2020_06
Public IP domain name labels should meet naming requirements.
Description#
When configuring Azure Public IP addresses domain name labels must meet naming requirements. The requirements for Public IP domain name labels are:
- Between 3 and 63 characters long.
- Lowercase letters, numbers, and hyphens.
- Start with a letter.
- End a letter or number.
- Domain name labels must be globally unique within a region.
Recommendation#
Consider using domain name labels that meet Public IP naming requirements. Additionally consider naming resources with a standard naming convention.
Notes#
This rule does not check if Public IP domain name labels are unique.
Links#
- Repeatable infrastructure
- Naming rules and restrictions for Azure resources
- Azure deployment reference
Last update:
2023-09-10