Domains with DNS TXT v=spf1 ip4:207.55.248.16 ip4:207.55.248.235 +a +mx +include:relay.mailchannels.net -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:207.55.248.16 ip4:207.55.248.235 +a +mx +include:relay.mailchannels.net -all.

Top Domains with TXT set to v=spf1 ip4:207.55.248.16 ip4:207.55.248.235 +a +mx +include:relay.mailchannels.net -all