You can use name resolution between VMs in virtual networks that use the Azure Resource Manager deployment model, without need for an FQDN. You can use name resolution between VMs and role instances within the same cloud service, without the need for an FQDN. ![]() You can use the service with your own DNS servers, to resolve both on-premises and Azure host names. You don't need to create and manage clusters of your own DNS servers. FeaturesĪzure-provided name resolution includes the following features:Įase of use. ![]() The address is based on the role name and instance number. For more information, see the Service Management REST API Reference. When using cloud services web and worker roles, you can also access the internal IP addresses of role instances using the Azure Service Management REST API. Although Azure-provided name resolution doesn't require any configuration, it's not the appropriate choice for all deployment scenarios, as detailed in the previous table. DNS names can be assigned to both VMs and network interfaces. In virtual networks deployed using the Azure Resource Manager deployment model, the DNS suffix is consistent across the all virtual machines within a virtual network, so the FQDN isn't needed. In this situation, you need the FQDN to resolve names between different cloud services. ![]() But in virtual networks deployed using the classic deployment model, different cloud services have different DNS suffixes. VMs and instances in a cloud service share the same DNS suffix, so the host name alone is sufficient. If you need a fully featured DNS solution for your virtual networks, you can use Azure DNS private zones with Customer-managed DNS servers or an Azure DNS Private Resolver.Īlong with resolution of public DNS names, Azure provides internal name resolution for VMs and role instances that reside within the same virtual network or cloud service. You aren't able to control the DNS zone names or the life cycle of DNS records. Azure manages the DNS zone names and records if you use the DNS provided by Azure. Connectivity between VMs and role instances in different cloud services isn't supported outside a virtual network.Īzure provided name resolution provides only basic authoritative DNS capabilities. Name resolution between VMs or role instances located in different cloud services, not in a virtual network. See Name resolution using your own DNS server.Īzure DNS private zones, Azure-provided name resolution, Azure DNS Private Resolver, or Name resolution using your own DNS server. Resolution of Azure hostnames from on-premises computers.įorward queries to a customer-managed DNS proxy server in the corresponding virtual network, the proxy server forwards queries to Azure for resolution. See Name resolution using your own DNS server. Resolution of on-premises computer and service names from VMs or role instances in Azure.Īzure DNS Private Resolver or customer-managed DNS servers (on-premises domain controller, local read-only domain controller, or a DNS secondary synced using zone transfers, for example). Name resolution from App Service Web Apps in one virtual network to VMs in a different virtual network. Name resolution from App Service Web Apps to VMs in the same virtual network. Name resolution from an Azure App Service (Web App, Function, or Bot) using virtual network integration to role instances or VMs in the same virtual network.Īzure DNS Private Resolver or customer-managed DNS servers forwarding queries between virtual networks for resolution by Azure (DNS proxy). Name resolution between VMs in different virtual networks or role instances in different cloud services.Īzure DNS private zones, Azure DNS Private Resolver, or Customer-managed DNS servers forwarding queries between virtual networks for resolution by Azure (DNS proxy). Name resolution between VMs located in the same virtual network, or Azure Cloud Services role instances in the same cloud service.Īzure DNS private zones or Azure-provided name resolution ![]() If you use Azure Provided DNS then appropriate DNS suffix will be automatically applied to your virtual machines.įor all other options you must either use Fully Qualified Domain Names (FQDN) or manually apply appropriate DNS suffix to your virtual machines.
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