Domains with DNS TXT v=spf1 a:smtp.pwc-host.de include:mailbox.org -all
There is 1 domain that have DNS TXT set to v=spf1 a:smtp.pwc-host.de include:mailbox.org -all.
There is 1 domain that have DNS TXT set to v=spf1 a:smtp.pwc-host.de include:mailbox.org -all.