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@@ -147,6 +147,14 @@ A certain amount of (domain- or business-specific) analysis is necessary to crea
             A collection of anonymous or disposable email domains commonly used to spam/abuse services.
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+        <td>
+            <a href="https://dnstrails.com/">DNSTrails</a>
+        </td>
+        <td>
+            Free intelligence source for current and historical DNS information, WHOIS information, finding other websites associated with certain IPs, subdomain knowledge and technologies. There is a <a href="https://securitytrails.com/">IP and domain intelligence API available</a> as well. 
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         <td>
             <a href="http://rules.emergingthreats.net/fwrules/" target="_blank">Emerging Threats Firewall Rules</a>