• Open a new tab in your browser and type 'http://www.yoursiteurl.com' into the address bar, then hit enter. If your site is up and operating, you should be able to access it. Open a new tab and copy the URL displayed on the Google Adsense page, which may be in the format 'http://yoursiteurl.com,' otherwise you may receive an error stating that the site cannot be accessible.
• If you bought your domain from Google, follow the steps below to fix the problem. Open Google Domain and then select DNS from the left-hand column. Make careful to delete the hosting detail in the Synthetic Records section.
• In the side panel, select the website choice. After that, click the three dots to disconnect your website.
• After the website has been disconnected, select the option to develop your website. Then proceed to the following page to choose your website builder, which might be a weblog, e-commerce, or something else entirely.
• Make sure the 'Also Redirect' option is checked when connecting to your website.
• Once you've reconnected your site to the domain. In a different tab, try it with and without the 'www' URL. If you can access both ways, return to Adsense and click the check button once more.

Read More: What are the problems with the latest Macbook Pro?