How to add or create an addon domain in cPanel – New Jupiter Theme
1. Login to your cPanel and click on Domains. This takes you to the domain names section.

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2. Click on the Create a New Domain button. This takes you to create a new domain page.

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3. Type/copy and paste the name of the domain (Example: shostguide.com)

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4. Do not Check the “Share Document Root” box. Unless you are redirecting the domain to the primary domain.
5. Click on Submit.

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6. Done.