Domains with DNS TXT v=spf1 ip4:77.74.54.216 include:_spf.machelp.nl include:mailswitch.nl include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:77.74.54.216 include:_spf.machelp.nl include:mailswitch.nl include:spf.protection.outlook.com ~all.