| 104.21.11.25 |
| 172.67.165.19 |
| 2606:4700:3035::ac43:a513 |
| 2606:4700:3036::6815:b19 |
| 10 didactiefonline-nl.mail.protection.outlook.com. |
| guy.ns.cloudflare.com. |
| linda.ns.cloudflare.com. |
| ms=ms81534631 |
| v=spf1 mx ip4:37.97.184.203 include:spf.protection.outlook.com include:spfa.mailendo.com include:spf.mandrillapp.com ~all |