Domains with DNS TXT v=spf1 include:spf.protection.outlook.com ip4:46.17.2.52 ip4:109.70.6.37 a:spf.flexfilter.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com ip4:46.17.2.52 ip4:109.70.6.37 a:spf.flexfilter.nl -all.