Domains with DNS TXT v=spf1 a mx ip4:40.83.254.148 ip4:216.151.2.163 ip4:216.151.2.164 include:spf.mtasv.net -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:40.83.254.148 ip4:216.151.2.163 ip4:216.151.2.164 include:spf.mtasv.net -all.