Domains with DNS TXT v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +a +mx +ip4:174.142.230.56 +a:s222.panelboxmanager.com -all
There are 9 domains that have DNS TXT set to v=spf1 ip4:174.142.221.51 include:relay.spamshield.io ip4:184.107.112.56 +a +mx +ip4:174.142.230.56 +a:s222.panelboxmanager.com -all. The top 9 records ordered by domain rank are listed below.