What is Azure DNS?
Azure DNS is a hosting service for DNS domains that provides name resolution through the global Microsoft infrastructure. The service uses anycast networks for fast DNS responses and offers native integration with Azure resources.
Core Features
- Global anycast network for fast DNS resolution worldwide
- Alias records for direct linking with Azure resources like Traffic Manager or CDN
- Private DNS zones for internal name resolution in VNets
- Automatic DNS management via Azure Resource Manager and Terraform
- Split-horizon DNS for different responses internal/external
Typical Use Cases
- Hosting public DNS zones for enterprise domains
- Private DNS for Azure workloads without your own DNS infrastructure
- Traffic steering in combination with Azure Traffic Manager
Benefits
- 100% SLA for DNS queries
- No infrastructure management required
- Seamless integration with Azure services via alias records
- Cost-effective with billing per zone and query
Integration with innFactory
As a Microsoft Solutions Partner, innFactory supports you with Azure DNS: DNS architecture, migration from existing DNS zones and hybrid DNS setups.
Frequently Asked Questions
Can Azure DNS be used as a domain registrar?
No, Azure DNS is only a DNS hosting service. Domain registration is done with a registrar of your choice, then the nameservers are pointed to Azure DNS.
What is Azure Private DNS?
Azure Private DNS enables DNS resolution within virtual networks without your own DNS servers. Ideal for name resolution between VMs and Azure services.
How quickly are DNS changes propagated?
Azure DNS uses anycast with nameservers worldwide. Changes are typically active within seconds, depending on the configured TTL.
Which record types are supported?
Azure DNS supports all common record types: A, AAAA, CNAME, MX, NS, PTR, SOA, SRV, TXT as well as alias records for Azure resources.
