Domains with DNS TXT v=spf1 include:spf.protection.outlook.com mx a:web.telegant.de a:gateway.telegant.de a:nagios-ext.telegant.de -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com mx a:web.telegant.de a:gateway.telegant.de a:nagios-ext.telegant.de -all.