Domains with DNS TXT v=spf1 a mx ip4:149.135.48.166 ip4:35.213.173.219 include:spf.protection.outlook.com include:worldsecuresystems.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:149.135.48.166 ip4:35.213.173.219 include:spf.protection.outlook.com include:worldsecuresystems.com ~all.