Due to registry restrictions WhoisGuard cannot be used with .asia, .bz, .ca, .cn, .de, .eu, .li, .ch, .fr, .sg, .com.sg, .in, .uk .co.uk, .me.uk, .org.uk, .nu, .us, .es, .com.es, .nom.es, .org.es, .com.au, .net.au, .org.au, .io, .nyc, .xn--3ds443g and .xn--6frz82g domains.