Domains with DNS TXT v=spf1 +mx +a +ip4:217.13.97.100 +ip4:217.144.51.90 +include:senders.mailmasterplus.net ~all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:217.13.97.100 +ip4:217.144.51.90 +include:senders.mailmasterplus.net ~all.