Domains with DNS TXT v=spf1 ip4:3.21.10.209 include:relay.mailchannels.net ip4:65.99.240.117 ip4:72.249.108.114 +a +mx ~all
There are 317 domains that have DNS TXT set to v=spf1 ip4:3.21.10.209 include:relay.mailchannels.net ip4:65.99.240.117 ip4:72.249.108.114 +a +mx ~all. The top 50 records ordered by domain rank are listed below.