Domains with DNS TXT v=spf1 mx a include:mail.zendesk.com include:_spf.itandtel.at include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:mail.zendesk.com include:_spf.itandtel.at include:spf.protection.outlook.com ~all.