Domains with DNS TXT v=spf1 include:mailing.iwbusiness.ch include:_spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:mailing.iwbusiness.ch include:_spf.protection.outlook.com -all.
There is 1 domain that have DNS TXT set to v=spf1 include:mailing.iwbusiness.ch include:_spf.protection.outlook.com -all.