Domains with DNS TXT v=spf1 a:webmail.ruma-zentrifugen.de a:mail.ruma-zentrifugen.de include:spf.hornetsecurity.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a:webmail.ruma-zentrifugen.de a:mail.ruma-zentrifugen.de include:spf.hornetsecurity.com ~all.