Domains with DNS TXT v=spf1 mx a a:mail.parteimail.de a:mail.headstrong.de -all
There is 1 domain that have DNS TXT set to v=spf1 mx a a:mail.parteimail.de a:mail.headstrong.de -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a a:mail.parteimail.de a:mail.headstrong.de -all.