Domains with DNS TXT v=spf1 +mx include:spf.mailjet.com a:smtp2.osmailserver.de a:smtp.osmailserver.de a:exchange3.osmailserver.de a:smtp3.osmailserver.de a:mail.your-server.de a:smtp.emailsrvr.com a:mailout.os-daten2.de a:wp212.webpack.hosteurope.de -all
There is 1 domain that have DNS TXT set to v=spf1 +mx include:spf.mailjet.com a:smtp2.osmailserver.de a:smtp.osmailserver.de a:exchange3.osmailserver.de a:smtp3.osmailserver.de a:mail.your-server.de a:smtp.emailsrvr.com a:mailout.os-daten2.de a:wp212.webpack.hosteurope.de -all.