Domains with DNS TXT v=spf1 a mx include:mx.devion.de include:spf.ess.de.barracudanetworks.com include:mx2.devion.de include:mail.devion.de -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:mx.devion.de include:spf.ess.de.barracudanetworks.com include:mx2.devion.de include:mail.devion.de -all.