Domains with DNS TXT v=spf1 ip4:212.1.210.51 include:mailchannels.net a mx ip4:212.1.210.87 include:relay.mailchannels.net ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:212.1.210.51 include:mailchannels.net a mx ip4:212.1.210.87 include:relay.mailchannels.net ~all.