Domains with DNS TXT v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +mx +a ~all

There are 4 domains that have DNS TXT set to v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +mx +a ~all. The top 4 records ordered by domain rank are listed below.

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