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Azure DNS Management

1. Planning and Preparation

Define the domain names to be managed.

Determine the DNS records needed (A, CNAME, MX, etc.).

Identify the Azure subscription and resource group for DNS management.

Ensure compliance with organizational policies and regulations.

2. Setting Up Azure DNS

Log in to the Azure Portal.

Create a new DNS zone for the domain.

Configure the DNS zone with the appropriate name and resource group.

Verify that the DNS zone has been created successfully.

Here are some additional steps that could be included in the "2. Setting Up Azure DNS" section of your Azure DNS Management checklist

Choose the appropriate DNS zone type (Public or Private)

Configure any necessary tags for resource management and cost tracking

Specify the location/region for the DNS zone

Set up a custom DNS zone for subdomains if required

Review and configure the default settings for the DNS zone, such as TTL (Time to Live) values

Set up Azure DNS to use your existing Azure Active Directory (AAD) for authentication if required

Enable Azure Resource Manager (ARM) for resource management if not already set

Review and configure access policies for the DNS zone, ensuring proper permissions for users and groups

Document the DNS zone details for future reference, including the name, resource group, and any relevant configurations

Enable Azure DNS Analytics for monitoring DNS queries and performance insights

Integrate Azure DNS with Azure Monitor for enhanced logging and alerting capabilities

These steps will help ensure a comprehensive setup of Azure DNS, allowing for better management and monitoring of the DNS resources

3. Configuring DNS Records

Add A records for the IP addresses of the resources.

Create CNAME records for aliasing other domains or subdomains.

Set up MX records for email routing if applicable.

Implement TXT records for verification and security (e.g., SPF, DKIM).

Review and confirm that all DNS records are correct.

Here are some additional steps that could be included in the "3. Configuring DNS Records" section of the Azure DNS Management checklist

Create SRV records for service location and configuration if required

Set up NS records to delegate subdomains to other DNS servers if necessary

Configure AAAA records for IPv6 addresses if applicable

Implement PTR records for reverse DNS lookups if needed

Use ALIAS records for pointing to Azure resources without needing a static IP

Validate DNS records using tools such as nslookup or dig to ensure proper configuration

Implement TTL (Time to Live) settings for each record according to your needs

Document the purpose and configuration of each DNS record for future reference

Set up routing policies (e.g., geo-routing, traffic management) if applicable

Regularly review and update DNS records to reflect changes in your infrastructure

4. Domain Delegation

Access the registrar where the domain is registered.

Update the name server (NS) records to point to Azure DNS name servers.

Confirm that the delegation has been propagated using DNS lookup tools.

5. Monitoring and Management

Use Azure Monitor to track DNS queries and performance.

Set up alerts for unusual DNS activity or failures.

Regularly review and update DNS records as needed.

Maintain documentation of DNS configurations and changes.

6. Security Best Practices

Implement Azure Role-Based Access Control (RBAC) for DNS management.

Enable Azure Private DNS if needed for internal resources.

Regularly audit DNS settings and permissions.

Consider using Azure Firewall or DDoS Protection for added security.

7. Backup and Recovery

Establish a backup strategy for DNS configurations.

Document recovery procedures in case of accidental deletion or misconfiguration.

Test the recovery process periodically to ensure effectiveness.

8. Compliance and Review

Conduct regular reviews of DNS configurations to ensure compliance with best practices.

Stay updated with Azure DNS feature changes and enhancements.

Ensure that all relevant stakeholders are informed of DNS management processes and policies.

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