Domains with DNS TXT v=spf1 ip4:216.37.42.100 include:relay.mailchannels.net +mx +a +a:spf.greatmail.com +ip4:104.244.126.223 +ip4:208.70.245.66 +ip4:216.194.164.180 -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:216.37.42.100 include:relay.mailchannels.net +mx +a +a:spf.greatmail.com +ip4:104.244.126.223 +ip4:208.70.245.66 +ip4:216.194.164.180 -all.