Domains with DNS TXT v=spf1 a mx +ip4:66.111.4.224 include:_spf.wcg-mail.com +include:spf.mailcluster.com.au -all
There is 1 domain that have DNS TXT set to v=spf1 a mx +ip4:66.111.4.224 include:_spf.wcg-mail.com +include:spf.mailcluster.com.au -all.