Domains with DNS TXT v=spf1 a mx ip4:52.157.149.216 include:spf.protection.outlook.com include:spf.iie-systems.de -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:52.157.149.216 include:spf.protection.outlook.com include:spf.iie-systems.de -all.