Domains with DNS TXT v=spf1 +a +mx +ip4:174.142.221.42 include:relay.spamshield.io ~all
There are 46 domains that have DNS TXT set to v=spf1 +a +mx +ip4:174.142.221.42 include:relay.spamshield.io ~all. The top 46 records ordered by domain rank are listed below.