Currently, the Azure Static Web App does not work with root domains. But there is way around this. You need to create a www subdomain to make www.ksemenenko.com and set it in Azure Static Web App. You need to set up a redirect with your domain name provider to https://www.ksemenenko.com. so if someone enters just http://ksemenenko.com they will be redirected to https://www.ksemenenko.com where your site is hosted....

To verify a domain on Github, you need to add a DNS TXT record as in the image: But it is necessary to add not as indicated on the site, but like this: Host: _github-challenge-managed-code-hub TXT Value: 0000000000 that is, without the name of your domain....