Azure DDNS

A nodejs application that gets your public IP and updates an Azure DNS zone to provide a dynamic DNS service.

Prereqs

1. Deploy a DNS Zone for your domain and add the nameservers to your registrar
2. Create an app registration in your Azure Tenant
3. Add a client secret to the app registration
4. Provide the app registration Reader over the resource group and DNS Zone Contributor over the DNS Zone

Required Environments

| Variable | Description | | :-: | :-: | | TENANT_ID | Tenant ID the DNS zone is deployed in (You can use one of [TENANT_ID or ARM_TENANT_ID or AZURERM_TENANT_ID])| | CLIENT_ID | The client ID of the app registration (You can use one of [CLIENT_ID or ARM_CLIENT_ID or AZURERM_CLIENT_ID]) | | CLIENT_SECRET | The client secret of the app registration (You can use one of [CLIENT_SECRET or ARM_CLIENT_SECRET or AZURERM_CLIENT_SECRET]) | | ARM_TENANT_ID | Alias for TENANT_SECRET | | ARM_CLIENT_ID | Alias for CLIENT_ID | | ARM_CLIENT_SECRET | Alias for CLIENT_SECRET | | AZURERM_TENANT_ID | Alias for TENANT_SECRET | | AZURERM_CLIENT_ID | Alias for CLIENT_ID | | AZURERM_CLIENT_SECRET | Alias for CLIENT_SECRET | | SUBSCRIPTION_ID | Subscription ID where the DNS zone is located | | RESOURCE_GROUP_NAME | Resource group where the DNS zone is located | | DNS_ZONE | Azure DNS zone name | | RECORD | @ or subdomain |

Local Example

WillsMBP.local: ~/Documents/Projects/azure-ddns
🥞 >TENANT_ID='820ff242-a754-4e7a-9be9-de7b5350251f' CLIENT_ID='27b5946c-6e11-4e62-b081-0d11138cccd8' CLIENT_SECRET='n1S8Q~bFKlqO13EEPxl0TK7NEUZjQFLgeLy39csu' SUBSCRIPTION_ID='8d8aeb08-5ca6-4f8c-a3ef-e9ab11cc4449' RESOURCE_GROUP_NAME='rg-dns-example' DNS_ZONE='wdew.uk' RECORD='home' node index.js

Updated - Domain: home.wdew.uk IP: 1.22.25.29

Values are for example and should be updated