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Captain’s Checklist: Secure Your Google Workspace – Domains

The Cloud Captains’ Checklist series by Cloud Captains is designed to make the life of a Google Workspace administrator easier. We often notice that certain environments don’t meet certain standards. In this document, we discuss the options available in Gmail and the easy solutions. The following topics are covered:

  • Captain’s Checklist
    • Why This Checklist? Explains the need for the checklist due to observed security gaps in Google Workspace environments.
  • Domains
    • Ownership: Importance of having control over the domain’s DNS and keeping ownership data updated.
    • Function: Basic explanation of how domains and their records (A, AAA, MX, TXT) work.
    • Setup: Steps to verify and configure a domain in Google Workspace, including handling conflicting domains.
    • Checking Records: Use of tools like DIG for checking domain records.
  • Inside Google Workspace
    • Domain Management: Instructions on managing domains within the Google Admin Console.
    • Unmanaged Users: Handling users that exist outside the managed environment and integrating them.
    • Changing Primary Domain: Process of changing the primary domain within the Google Workspace environment.
  • Domain Types
    • Primary Domain: The main domain used in Google Workspace.
    • Secondary Domain: Additional domains added to the environment and their use cases.
    • Domain Alias: Adding aliases to domains for email consistency across different TLDs.
    • Test Domain: Use of test domains for pre-launch verification and testing.
  • Examples
    • Expansion: Adding a new business’s domain to Google Workspace.
    • Consistency: Using domain aliases for multiple similar domains.
    • Domain Changes: Changing the primary domain and its implications.
    • Subdomains: Adding and using subdomains in Google Workspace.
    • Troubleshooting
  • Domain Issues: Resolving conflicts when a domain is already in use within Google Workspace.
  • Email Issues: Ensuring correct MX records and handling emails marked as spam.
  • Google Apps Script
    • DNS Checker Tool: A script for checking DNS records like SPF, DKIM, DMARC, and SOA.
    • Bulk Alias Script: A script for efficiently adding aliases to user accounts in Google Workspace.

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