Domains with DNS TXT v=spf1 mx include:spf.protection.outlook.com a:smtp.isltechnology.co.uk ip4:212.159.176.247 a:remote.hstts.co.uk include:cmail1.com a:smtp.talktalkbusiness.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:spf.protection.outlook.com a:smtp.isltechnology.co.uk ip4:212.159.176.247 a:remote.hstts.co.uk include:cmail1.com a:smtp.talktalkbusiness.net -all.