Domains with DNS TXT v=spf1 include:_netblocks.mimecast.com include:spf.constantcontact.com include:u826348.wl.sendgrid.net include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_netblocks.mimecast.com include:spf.constantcontact.com include:u826348.wl.sendgrid.net include:spf.protection.outlook.com ~all.