Domains with DNS TXT v=spf1 ip4:216.37.42.199 ip4:64.62.143.135 ip4:216.37.42.40 include:relay.mailchannels.net ip4:216.37.42.145 +a +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:216.37.42.199 ip4:64.62.143.135 ip4:216.37.42.40 include:relay.mailchannels.net ip4:216.37.42.145 +a +mx ~all.