The most common DNS TXT record values across our domain crawl index — mostly SPF sender authorizations, revealing which email/hosting providers dominate.
| # | TXT Record Value | Likely Provider | Domains | |
|---|---|---|---|---|
| 1 | v=spf1 -all | Strict SPF (no senders authorized) | 6,816,395 | |
| 2 | v=spf1 include:spf.efwd.registrar-servers.com ~all | GoDaddy email forwarding | 3,059,626 | |
| 3 | v=spf1 include:_spf-eu.ionos.com ~all | IONOS (EU) | 1,771,539 | |
| 4 | v=spf1 include:_spf.mail.hostinger.com ~all | Hostinger Email | 1,578,640 | |
| 5 | v=spf1 include:_spf.google.com ~all | Google Workspace | 1,274,838 | |
| 6 | v=spf1 include:_spf-us.ionos.com ~all | IONOS (US) | 720,965 | |
| 7 | v=spf1 a mx include:websitewelcome.com ~all | HostGator / WebsiteWelcome | 597,574 | |
| 8 | v=spf1 include:spf.protection.outlook.com -all | Microsoft 365 | 510,529 | |
| 9 | v=spf1 redirect=beget.com | Beget Hosting | 334,356 | |
| 10 | v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all | HostGator / WebsiteWelcome | 333,472 |