Domains with DNS TXT v=spf1 include:essen.de include:spf.smtp.net ~all
There is 1 domain that have DNS TXT set to v=spf1 include:essen.de include:spf.smtp.net ~all.
There is 1 domain that have DNS TXT set to v=spf1 include:essen.de include:spf.smtp.net ~all.