• To begin, Google suggests that you use their Fetch as a Google tool to see how Googlebot scans your page. In Search Console, you'll find Fetch as Google.
• You can fetch without rendering if you only need the DNS connection status and need to respond immediately. The delayed Fetch and Render procedure is useful for getting a side-by-side comparison of how Google views your site versus how a visitor sees it.
• Consult your DNS service provider. If Google is unable to correctly fetch and render your website, you will need to take additional steps. Consult your DNS provider to determine the source of the problem. There could be a problem with the DNS provider, or it could be much worse.
• Make sure your server returns a 404 or 500 error code.. Instead of having a failed connection, your server should display a 404 (not found) code or a 500 (server error) code. These codes are more accurate than having a DNS error.

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