Domains with DNS TXT v=spf1 mx a:randstad.hrmx.de a:mx0.hrmx.de a:mx1.hrmx.de include:_spf.rittec.de include:spf.hornetsecurity.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:randstad.hrmx.de a:mx0.hrmx.de a:mx1.hrmx.de include:_spf.rittec.de include:spf.hornetsecurity.com -all.