How to verify domain on Shopify Step 1: Go to Online Store > Domain. Inside the Primary domain section, click Manage. Step 2: Choose DNS settings. Step 3: Click Add custom record and choose TXT record. Step 4: Copy Host/Name/Value, and Value/Points to from the verify domain and paste them into the boxes Name, TXT Value. Step 5: Add your DKIM TXT record. Step 6: Back to Verify domain section, click Verify domain. Please confirm the status is Verified.