Domains with DNS TXT v=spf1 a mx ip4:51.52.241.26 include:spf.protection.outlook.com include:srv4spf.host-my-site1.co.uk -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:51.52.241.26 include:spf.protection.outlook.com include:srv4spf.host-my-site1.co.uk -all.