Domains with DNS TXT v=spf1 ip4:178.251.31.234 include:spf.protection.outlook.com include:_spf.easyflex.net include:authsmtp.com +a +mx -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:178.251.31.234 include:spf.protection.outlook.com include:_spf.easyflex.net include:authsmtp.com +a +mx -all.