v=spf1 ip4:100.21.134.21 ip4:204.122.17.4 ip4:204.122.17.5 ip4:204.122.17.6 ip4:34.213.190.213 ip4:34.223.139.255 ip4:35.166.143.94 ip4:35.81.193.184 ip4:35.82.207.188 ip4:44.233.0.116 ip4:50.112.88.140 ip4:52.24.62.201 ip4:52.27.131.180 ip4:52.33.229.188 ip4:54.188.190.110 -all