- Click on Zone Editor under Domains in cPanel.
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From the Domains table, locate the addon domain name you want to add a CNAME record.
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Click + CNAME Record from the Actions column.
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On the Add a CNAME Record window, enter the host name the CNAME records links to in the Name field.
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Enter the domain name that the record should resolve to in the Address field.
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When ready, click Add a CNAME Record.