Domains with DNS TXT v=spf1 ip4:18.134.66.168 +mx +a +ip4:89.145.92.163 include:relay.mailchannels.net ~all
There are 2 domains that have DNS TXT set to v=spf1 ip4:18.134.66.168 +mx +a +ip4:89.145.92.163 include:relay.mailchannels.net ~all. The top 2 records ordered by domain rank are listed below.