Describe Azure DNS
Provide a DNS hosting service for domain names in the MS Azure infrastrucutre
Benefits of Azure DNS
- Reliability and performance
- Secure
- Ease of use
- Customizable virtual networks
- Alias records
Reliability and performance
Azure DNS uses anycast networking. That means, that the DNS query is answered by the clostes available DNS server for perfomance an dhigh availability.
Security
Based on Azure Resource Manager. These are the benefits:
- Azure role-based access control (Azure RBAC): Controls who has access to specific actions inside the organization.
- Activity logs: Logs all actions in the Azure DNS zone. To find errors and for troubleshooting
- Resource locking: It locks subscriptions, resource groups, and resources to prevent accidental deletion or modification.
Ease of use
Uses the same system as all other Azure resources. It is in the Azure portal and configurable with Azure CLI, PowerShell, and REST API.
Customizable virtual networks
Also allows custom domains. => Domain must be bought beforehand
Alias records
Alias records can be created which dynamically change the entry based on the IP address of the target, if it is a Azure resource.