Domains with DNS TXT v=spf1 include:spf1.x-mailer.de include:spf2.x-mailer.de mx:mx-rz.sul.t-online.de -all
There are 2 domains that have DNS TXT set to v=spf1 include:spf1.x-mailer.de include:spf2.x-mailer.de mx:mx-rz.sul.t-online.de -all. The top 2 records ordered by domain rank are listed below.