Domains with DNS TXT v=spf1 ip4:185.157.208.66 include:relay.mailchannels.net +a +mx ~all
There are 10 domains that have DNS TXT set to v=spf1 ip4:185.157.208.66 include:relay.mailchannels.net +a +mx ~all. The top 10 records ordered by domain rank are listed below.