Domains with DNS TXT v=spf1 a:c23001-p1.proxhost.nl a mx ip4:128.140.7.226 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 a:c23001-p1.proxhost.nl a mx ip4:128.140.7.226 include:spf.protection.outlook.com -all.