Domains with DNS TXT v=spf1 a:mout.kundenserver.de mx:mail.max-holder.com ip4:188.40.73.146 include:mail.zendesk.com -all
There is 1 domain that have DNS TXT set to v=spf1 a:mout.kundenserver.de mx:mail.max-holder.com ip4:188.40.73.146 include:mail.zendesk.com -all.