for (String spec : GOOD_IPS) {
      assertGood(spec);
    }
  }

  public void testBadIpAddresses() {
    for (String spec : BAD_IPS) {
      assertBad(spec);
    }
  }

  public void testGoodDomains() throws ParseException {
    for (String spec : GOOD_DOMAINS) {
      assertGood(spec);
    }
  }

  public void testBadDomains() {