Make it listen on tcp/upd for v4 and v6

TODO.markdown

@@ -7,12 +7,11 @@ things that need to be fixed.
 * Speed, we can always go faster. A simple reflect server now hits 30/40K qps
 * Add handy zone data structure (r/b tree)? Or not...
 * Use the Exchange structure to deal with errors when resolving, esp. Timeout
-* IsSubdomain, IsGlue helper functions;
+* IsSubdomain, IsGlue helper functions?
 * SaltLength in NSEC3 is ugly to set, should be automatically done. There are prolly a few more
    settings just like that -- need to look at them.
    -edns NSID is another
 * Add tsig check in 'q'?
-* \DDD in zonefiles
 
 ## BUGS
 

ex/reflect/reflect.go

@@ -128,10 +128,8 @@ func main() {
 	}
 
 	dns.HandleFunc(".", handleReflect)
-	go serve("tcp6")
-	go serve("tcp4")
-	go serve("udp6")
-	go serve("udp4")
+	go serve("tcp")
+	go serve("udp")
 forever:
 	for {
 		select {