v=spf1 ip4:223.165.120.0/23 ip4:167.89.54.47 ip4:50.31.42.31 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 -all
