Domains with DNS TXT v=spf1 ip4:221.121.158.33 +a +mx +ip4:180.92.194.161 include:relay.mailchannels.net ~all
There are 17 domains that have DNS TXT set to v=spf1 ip4:221.121.158.33 +a +mx +ip4:180.92.194.161 include:relay.mailchannels.net ~all. The top 17 records ordered by domain rank are listed below.