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Setting up Secondary Domains
Updated over 2 months ago

When it comes to cold email outreach, using your primary business domain can put your brand's reputation at risk.

That's why setting up a secondary domain specifically for your cold email campaigns is crucial.

WHY USE A SECONDARY DOMAIN FOR COLD OUTREACH?

  • Safeguards your primary domain's reputation in case of any issues with your cold email campaigns

  • Allows you to scale your outreach efforts without jeopardizing your main business email

  • Provides a dedicated space for your cold outreach, separating it from your primary email communications

We recommend using Luna's email infrastructure

If you want an easy, fast, and cheap way to buy additional domains and e-mail addresses, we recommend using Luna's email infrastructure; it was built specifically for cold email outreach.

Luna allows you to buy multiple domains and e-mail addresses in bulk easily. We also automatically set the proper DNS settings (DMARC, SPF, DKIM).

Do you prefer other email registrars? Keep reading.

Step-by-Step Guide to Buying a Secondary Domain

Step 1: Choose a Domain Name

  • Select a domain name that aligns with your brand and sounds trustworthy

  • Consider using a variation of your primary domain (e.g., yourbrand.io,getyourbrand.dev, getyourbrand.ai, yourbrandoutreach.com)

  • Keep the domain name short, easy to remember, and free of hyphens or numbers

  • Use a reputable domain registrar like GoDaddy

Step 2: Check Domain Availability

  • Use the domain registrar's search tool to check if your desired domain name is available

  • If your first choice is taken, consider alternative extensions (.co, .net, .io) or slight variations of the name

  • Avoid using trademarked or copyrighted names to prevent legal issues

Step 3: Purchase the Domain

  • Once you've found an available domain, add it to your cart and proceed to checkout

  • Choose the registration period (1-5 years) and select any additional services (e.g., privacy protection)

  • Provide your contact and billing information to complete the purchase

  • Wait for the confirmation email from your domain registrar

Step 4: Configure DNS Settings

  • Log in to your domain registrar's control panel and navigate to the DNS settings

  • Set up the necessary records for your email hosting provider (MX records, CNAME, etc.)

  • Add TXT records for SPF, DKIM, and DMARC to authenticate your domain and prevent spoofing

  • Allow up to 48 hours for the DNS changes to propagate fully

Step 5: Set Up Email Hosting

  • Choose a reliable email hosting provider like Google or Microsoft

  • Create a new account using your secondary domain and set up your email addresses

  • Configure your email client (e.g., Gmail, Outlook) to send and receive emails from your secondary domain

  • Test your email setup by sending a message to a personal email address and checking for any delivery issues

Best Practices for Managing Your Secondary Domain

  • Keep your primary and secondary domains separate to maintain a clear distinction between your main business and cold outreach

  • Use a dedicated email address on your secondary domain for all cold outreach communications

  • Monitor your secondary domain's reputation using tools like Google Postmaster Tools and Sender Score

  • Regularly clean your email list and practice good email hygiene to maintain a positive sending reputation

  • Consider using an email warmup tool like Luna to build your secondary domain's reputation automatically

More on email warmup can be found in this article.

Wrapping up

Setting up a secondary domain for your cold email outreach is a smart way to protect your primary domain's reputation and improve your email deliverability.

By following this step-by-step guide and adhering to best practices, you can confidently scale your outreach efforts without putting your main business email at risk.

Remember, a secondary domain is just one piece of the puzzle regarding successful cold outreach. Be sure also to implement email authentication, practice good email hygiene, and follow best practices for crafting compelling email content.

KEY TAKEAWAYS

  • Always use a secondary domain for cold outreach to safeguard your primary domain's reputation

  • Choose a domain name that aligns with your brand and sounds trustworthy

  • Configure your DNS settings and set up email hosting for your secondary domain

  • Keep your primary and secondary domains separate and use a dedicated email address for cold outreach

  • Monitor your secondary domain's reputation and regularly clean your email list to maintain a positive sending reputation

By leveraging a secondary domain and following these guidelines, you'll be well-equipped to confidently tackle cold email outreach and achieve better results for your business.

Happy emailing!


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