Examples of io.vertx.core.dns.DnsClient.reverseLookup()

io.vertx.core.dns.DnsClient.reverseLookup()
Try to do a reverse lookup of an ipaddress. This is basically the same as doing trying to resolve a PTR record but allows you to just pass in the ipaddress and not a valid ptr query string. @param ipaddress The ipaddress to resolve the PTR for @param handler the {@link Handler} to notify with the {@link AsyncResult}. The {@link AsyncResult} will getnotified with the resolved {@link String} if a record was found. If non was found it willget notified with {@code null}. If an error accours it will get failed. @return itself for method-chaining.

  public void testReverseLookupIpv4() throws Exception {
    String address = "10.0.0.1";
    final String ptr = "ptr.vertx.io";
    DnsClient dns = prepareDns(FakeDNSServer.testReverseLookup(ptr));


    dns.reverseLookup(address, ar -> {
      String result = ar.result();
      assertNotNull(result);
      assertEquals(ptr, result);
      testComplete();
    });

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  public void testReverseLookupIpv6() throws Exception {
    final String ptr = "ptr.vertx.io";


    DnsClient dns = prepareDns(FakeDNSServer.testReverseLookup(ptr));


    dns.reverseLookup("::1", ar -> {
      String result = ar.result();
      assertNotNull(result);
      assertEquals(ptr, result);
      testComplete();
    });

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