Domains with DNS TXT v=spf1 mx a:mail.smtpmail.de a:mail.globmail.de include:ispgateway.de include:mailgun.org include:spf.hornetsecurity.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:mail.smtpmail.de a:mail.globmail.de include:ispgateway.de include:mailgun.org include:spf.hornetsecurity.com -all.