Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.sparkpostmail.com ip4:50.227.105.18 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.sparkpostmail.com ip4:50.227.105.18 -all.