Domains with DNS TXT v=spf1 include:usb._netblocks.mimecast.com ip4:216.71.149.137 ip4:68.232.137.101 ip4:68.232.148.27 ip4:216.71.149.80 exists:%{i}.spf.hc2391-34.iphmx.com include:spf.protection.outlook.com include:mailgun.org -all

There is 1 domain that have DNS TXT set to v=spf1 include:usb._netblocks.mimecast.com ip4:216.71.149.137 ip4:68.232.137.101 ip4:68.232.148.27 ip4:216.71.149.80 exists:%{i}.spf.hc2391-34.iphmx.com include:spf.protection.outlook.com include:mailgun.org -all.

Top Domains with TXT set to v=spf1 include:usb._netblocks.mimecast.com ip4:216.71.149.137 ip4:68.232.137.101 ip4:68.232.148.27 ip4:216.71.149.80 exists:%{i}.spf.hc2391-34.iphmx.com include:spf.protection.outlook.com include:mailgun.org -all