Domains with DNS TXT v=spf1 mx a:mailon.spamtitan.com include:spf.protection.outlook.com a ptr include:secureserver.net ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a:mailon.spamtitan.com include:spf.protection.outlook.com a ptr include:secureserver.net ~all.