Domains with DNS TXT v=spf1 mx a ip4:217.28.100.50 include:spf.ess.de.barracudanetworks.com include:spf.ess.barracudanetworks.com include:agenturserver.de -all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:217.28.100.50 include:spf.ess.de.barracudanetworks.com include:spf.ess.barracudanetworks.com include:agenturserver.de -all.