Domains with DNS TXT v=spf1 include:spf.stackmail.com include:spf.protection.outlook.com include:_netblocks.mimecast.com include:infusionmail.com include:sendgrid.net ip4:95.138.137.176 a mx -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.stackmail.com include:spf.protection.outlook.com include:_netblocks.mimecast.com include:infusionmail.com include:sendgrid.net ip4:95.138.137.176 a mx -all.