Domains with DNS TXT v=spf1 +a +mx +a:vmi507310.contaboserver.net -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +a:vmi507310.contaboserver.net -all.
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +a:vmi507310.contaboserver.net -all.