Domains with DNS TXT v=spf1 ip4:174.142.221.57 include:relay.spamshield.io +mx +a +ip4:184.107.112.54 +include:authsmtp.com -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:174.142.221.57 include:relay.spamshield.io +mx +a +ip4:184.107.112.54 +include:authsmtp.com -all.

Top Domains with TXT set to v=spf1 ip4:174.142.221.57 include:relay.spamshield.io +mx +a +ip4:184.107.112.54 +include:authsmtp.com -all