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