Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:smtprelay.oitpk.se include:spf.mandrillapp.com ip4:83.140.11.7 ip4:83.140.11.37 ip4:52.209.149.176 ip4:213.180.68.18 ip4:81.91.12.36 include:_spf.cention.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:smtprelay.oitpk.se include:spf.mandrillapp.com ip4:83.140.11.7 ip4:83.140.11.37 ip4:52.209.149.176 ip4:213.180.68.18 ip4:81.91.12.36 include:_spf.cention.com ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com a:smtprelay.oitpk.se include:spf.mandrillapp.com ip4:83.140.11.7 ip4:83.140.11.37 ip4:52.209.149.176 ip4:213.180.68.18 ip4:81.91.12.36 include:_spf.cention.com ~all