Domains with DNS TXT v=spf1 a mx include:relay.mailchannels.net ip4:23.83.212.6 ip4:23.83.209.93 ip4:23.83.223.169 ip4:210.87.250.78 -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:relay.mailchannels.net ip4:23.83.212.6 ip4:23.83.209.93 ip4:23.83.223.169 ip4:210.87.250.78 -all.