Domains with DNS TXT v=spf1 a mx ip4:189.44.240.5 ip4:189.51.6.205 ip4:200.196.254.157 include:spf.messagelabs.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:189.44.240.5 ip4:189.51.6.205 ip4:200.196.254.157 include:spf.messagelabs.com -all.