Domains with DNS TXT v=spf1 +a +mx +ip4:62.182.21.140 include:relay.email-cluster.com +include:spf.stackmail.com -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:62.182.21.140 include:relay.email-cluster.com +include:spf.stackmail.com -all.