public boolean isReverseLookedUp() {
        return reverseLookedUp;
    }
@Test
    public void testIsReverseLookedUp() throws Exception {
        final InetSocketAddress inetSocketAddress = new InetSocketAddress(Inet4Address.getLoopbackAddress(), 12345);
        final ResolvableInetSocketAddress address = new ResolvableInetSocketAddress(inetSocketAddress);

        assertThat(address.isReverseLookedUp()).isFalse();

        address.reverseLookup();

        assertThat(address.isReverseLookedUp()).isTrue();
    }