Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:_spf.spam-filter.email include:servers.mcsv.net a -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:_spf.spam-filter.email include:servers.mcsv.net a -all.