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To bypass ad blockers and ensure consistent data tracking, MoEngage utilizes a DNS delegation process. This involves carving out a specific subdomain of your primary domain and authorizing MoEngage to manage the DNS records for that subdomain. This approach ensures reliable data capturing and campaign delivery by appearing as first-party traffic.

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Recommendations for Choosing a Subdomain

To maximize the effectiveness of this feature and avoid being flagged by ad-blocking lists, follow these recommendations when selecting your subdomain:
  • Avoid Tracking Keywords: Do not use names like track, ads, or moengage. Many ad blockers use keyword-based filtering.
  • Use Neutral Terms: Consider using random strings or unrelated dictionary words (e.g., cn.example.com, data.example.com, or mx-events.example.com).
  • Keep it Short: Aim for a length of 5–8 characters to maintain efficient URL structures.

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The Onboarding Process

Setting up DNS delegation is a collaborative process between your technical team and MoEngage Support.
  1. Select your subdomain: Choose a subdomain based on the recommendations above (for example, xyz.example.com).
  2. Inform MoEngage: Share the chosen subdomain with your MoEngage account team or raise a support ticket.
  3. Receive Name Servers: The MoEngage SRE team will create a DNS Zone and provide you with a list of Name Server (NS) records.
  4. Update Parent Domain: Add the provided NS records to your parent domain’s DNS configuration. This action delegates control of the subdomain to MoEngage for traffic routing.
  5. Verification: MoEngage will monitor the delegation status. Once verified, the necessary infrastructure endpoints will be mapped to your custom subdomain.
  6. Configure the SDK: After successful delegation and verification, update your SDK initialization logic to use the custom proxy domain. Refer to the specific implementation guides below:
Note on PropagationDNS changes can take between 24 to 72 hours to propagate globally. You can verify the status of your NS records using online tools like DNSChecker.

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Specific Provider Instructions

Most major DNS providers support subdomain delegation via NS records. Refer to your provider’s documentation for specific instructions on “NS Record Management” or “Subdomain Delegation”: