能否将AWS子域名指向Azure？附REST微服务背景

Absolutely! You can definitely point your colors subdomain (managed in AWS Route53) to resources hosted on Azure—here’s how to do it, broken down into straightforward steps that fit your background as a developer (no heavy DevOps jargon):

Step 1: Get your Azure target endpoint details #

First, you’ll need to know the public address of the Azure resource you want to point to. This depends on what you’re hosting in Azure:

• If it’s an Azure App Service, Azure Function, or another service with a default domain, copy its full CNAME value (e.g., your-azure-service.azurewebsites.net).
• If it’s a virtual machine, load balancer, or another service with a static public IP, note down that IP address.

Step 2: Update the DNS record in Route53 #

Head to the AWS Route53 console and navigate to your main domain’s hosted zone (the one linked to your GoDaddy domain):

• Click Create record.
• For the record name, enter colors (this will make the full subdomain colors.your-main-domain.com).
• Choose the right record type:
  • A record: Use this if you have a static public IP from Azure. Paste the IP address into the "Value" field.
  • CNAME record: Use this if you’re pointing to an Azure domain (like the App Service default domain). Paste the full Azure domain into the "Value" field.
• Leave the TTL (Time to Live) at its default value (or lower it to 5 minutes if you want faster propagation) and save the record.

Step 3: Verify and test #

DNS changes can take anywhere from a few minutes to a couple of hours to propagate globally. Once it’s done, you can test it by running:

nslookup colors.your-main-domain.com

Or just visit the subdomain in your browser to confirm it loads your Azure resource.

Quick notes to keep in mind #

• Make sure your Azure resource is publicly accessible—check that any firewalls or network security groups aren’t blocking incoming traffic.
• If you were using SSL for your AWS-hosted colors service, you’ll need to set up SSL on the Azure side too (Azure App Service lets you upload certificates or use free ones from Let’s Encrypt easily).
• Double-check that your Azure service handles the API paths and request formats your clients expect, since you’re moving from Lambda/API Gateway to Azure.

内容的提问来源于stack exchange，提问作者Amanda Ferrari