Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com ip4:85.10.159.16 ip4:95.97.72.194 ip4:37.139.143.143 ip4:92.70.2.250 include:_spf.clockwise.info include:spf.mandrillapp.com include:_spf.mailersend.net -all

There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com ip4:85.10.159.16 ip4:95.97.72.194 ip4:37.139.143.143 ip4:92.70.2.250 include:_spf.clockwise.info include:spf.mandrillapp.com include:_spf.mailersend.net -all.

Top Domains with TXT set to v=spf1 a include:spf.protection.outlook.com ip4:85.10.159.16 ip4:95.97.72.194 ip4:37.139.143.143 ip4:92.70.2.250 include:_spf.clockwise.info include:spf.mandrillapp.com include:_spf.mailersend.net -all