Domains with DNS TXT v=spf1 ip4:217.21.73.0 include:relay.mailchannels.net include:spf.antispamcloud.com a mx ~all

There are 22 domains that have DNS TXT set to v=spf1 ip4:217.21.73.0 include:relay.mailchannels.net include:spf.antispamcloud.com a mx ~all. The top 22 records ordered by domain rank are listed below.