Domains with DNS TXT v=spf1 ip4:198.59.144.136 include:relay.mailchannels.net ip4:65.99.225.73 ip4:65.99.225.148 a mx ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:198.59.144.136 include:relay.mailchannels.net ip4:65.99.225.73 ip4:65.99.225.148 a mx ~all.