The .foo domain is live now.

I still kinda hate these tests, though, since they fail in wildcard DNS
environments (like OpenDNS).

Author: Tod Beardsley

spec/lib/rex/socket/range_walker_spec.rb

@@ -25,12 +25,12 @@
     end
 
     context "with an invalid hostname" do
-      let(:args) { "@!*^&.foo." }
+      let(:args) { "@!*^&.invalid-hostname-really." }
       it { should_not be_valid }
     end
 
     context "with an invalid hostname and CIDR" do
-      let(:args) { "@!*^&.foo./24" }
+      let(:args) { "@!*^&.invalid-hostname-really./24" }
       it { should_not be_valid }
     end