After adding the records, use free tools to confirm they are published correctly:
The -all (hard fail) is recommended. ~all (soft fail) is weaker. Yahoo and Gmail prefer -all . gmailcom hotmailcom yahoocom txt verified
Professional email verification tools run a multi-layered technical process on every address: After adding the records, use free tools to
Log in to your domain registrar (GoDaddy, Namecheap, Cloudflare) or your hosting provider (cPanel, AWS Route 53, DigitalOcean). Find the DNS settings or DNS zone editor. After adding the records