Top websites that started using SPF1.
Top websites that started using SPF1. Total: 881464| Domain | Country | Rank | Contacts |
|---|---|---|---|
 United States | 85 | ||
| United States | 108 | ||
 scontent-iad3-1.xx.fbcdn.net | United States | 228 | |
 scontent-iad3-2.xx.fbcdn.net | United States | 268 | |
 scontent-atl3-1.xx.fbcdn.net | United States | 286 | |
 scontent-lga3-2.xx.fbcdn.net | United States | 292 |
Top websites that stopped using SPF1
Websites that stopped using SPF1. Total: 202630| Domain | Country | Rank | Contacts |
|---|---|---|---|
| United States | 1,001 | ||
 China | 1,692 | ||
| United States | 2,296 | ||
 France | 2,407 | ||
| China | 2,653 | ||
| United States | 2,937 |