Domains with DNS TXT v=spf1 ip4:174.142.221.50 include:relay.spamshield.io ip4:174.142.221.52 +a +mx ~all

There are 94 domains that have DNS TXT set to v=spf1 ip4:174.142.221.50 include:relay.spamshield.io ip4:174.142.221.52 +a +mx ~all. The top 50 records ordered by domain rank are listed below.