Domains with DNS TXT v=spf1 ip4:200.27.72.2 include:spf.masterbase.com include:spf.postini.com include:mh.blackboard.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:200.27.72.2 include:spf.masterbase.com include:spf.postini.com include:mh.blackboard.com ~all.