Domains with DNS TXT v=spf1 include:_spf.mailersend.net mx include:spf.byway.it include:spf.protection.outlook.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mailersend.net mx include:spf.byway.it include:spf.protection.outlook.com ~all.

Top Domains with TXT set to v=spf1 include:_spf.mailersend.net mx include:spf.byway.it include:spf.protection.outlook.com ~all