Domains with DNS TXT v=spf1 +mx +a include:_spf.perfora.net include:_spf.kundenserver.de include:spf.nl2go.com -all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a include:_spf.perfora.net include:_spf.kundenserver.de include:spf.nl2go.com -all.