Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:plesk2.acknowledge.nl include:sendgrid.net include:servers.mcsv.net include:de._netblocks.mimecast.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:plesk2.acknowledge.nl include:sendgrid.net include:servers.mcsv.net include:de._netblocks.mimecast.com -all.