diff --git a/modules/dns/dns.js b/modules/dns/dns.js
index ed0e413..801dbe3 100644
--- a/modules/dns/dns.js
+++ b/modules/dns/dns.js
@@ -53,7 +53,7 @@ var dns = function(dbot) {
           });
         }
     };
-    commands['~dnsbl'].regex = [/^dnsbl ([\d\w\s-]*)/, 2];
+    commands['~dnsbl'].regex = [/^dnsbl ([\d\w\s\.-]*)/, 2];
     this.commands = commands;
 
     this.on = 'PRIVMSG';