Domains with DNS TXT v=spf1 ip4:15.204.105.201 include:relay.mailchannels.net ip4:45.79.58.52 ip4:181.214.31.80 ip4:181.214.31.135 +a +mx +a mx -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:15.204.105.201 include:relay.mailchannels.net ip4:45.79.58.52 ip4:181.214.31.80 ip4:181.214.31.135 +a +mx +a mx -all.