return func(ctx context.Context, network, addr string) (conn net.Conn, err error) {
		host, port, err := net.SplitHostPort(addr)
		if err != nil {
			return nil, err
		}

		if net.ParseIP(host) != nil {
			// For IP only setups there is no need for DNS lookups.
			return baseDialCtx(ctx, "tcp", addr)
		}

		ips, err := lookupHost(ctx, host)
		if err != nil {
			return nil, err
		}

		for _, ip := range ips {

  <groupId>maven</groupId>
  <artifactId>p0</artifactId>
  <packaging>pom</packaging>
  <version>1.0</version>

  <scm>
    <connection>scm:svn:http://host/p0</connection>
    <developerConnection>scm:svn:https://host/p0</developerConnection>
    <url>http://host/viewer?path=/p0</url>
  </scm>

  <modules>
    <module>modules/p1</module>
  </modules>

  <groupId>maven</groupId>
  <artifactId>p0</artifactId>
  <packaging>pom</packaging>
  <version>1.0</version>

  <scm>
    <connection>scm:svn:http://host/p0</connection>
    <developerConnection>scm:svn:https://host/p0</developerConnection>
    <url>http://host/viewer?path=/p0</url>
  </scm>

  <modules>
    <module>modules/p1</module>
  </modules>

        assertEquals("smb", url.getProtocol());
    }

    @Test
    @DisplayName("parseURL: relative spec without scheme is prefixed for empty host")
    void testParseURL_RelativeSpecWithEmptyHost() throws MalformedURLException {
        // Arrange: base URL with empty host
        Handler handler = newHandler();
        URL base = new URL(null, "smb://", handler);

  }

  public void testSerialization() {
    SerializableTester.reserializeAndAssert(HostAndPort.fromParts("host", 80));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host:80"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("[::1]:104"));

  }

  public void testSerialization() {
    SerializableTester.reserializeAndAssert(HostAndPort.fromParts("host", 80));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host:80"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("[::1]:104"));

vaapste.no
vacations
vadso.no
vadsø.no
vaga.no
vagan.no
vagsoy.no
vaksdal.no
val-d-aosta.it
val-daosta.it
vald-aosta.it
valdaosta.it
valer.hedmark.no
valer.ostfold.no
valle-aosta.it
valle-d-aosta.it
valle-daosta.it
valle.no
valleaosta.it
valled-aosta.it
valledaosta.it
vallee-aoste.it
vallee-d-aoste.it
valleeaoste.it
valleedaoste.it

            // Validate host
            String host = url.getHost();
            if (host == null || host.isEmpty()) {
                throw new SmbException("SMB URL missing host");
            }

            // Validate host format
            if (!isValidHost(host)) {
                throw new SmbException("Invalid host in SMB URL");
            }

/**
 * NTLMSSP AV pair representing single host information in NTLM authentication.
 * Contains host-specific data used during the NTLM challenge-response process.
 *
 * @author mbechler
 */
public class AvSingleHost extends AvPair {

    /**
     * Constructs an AvSingleHost from raw byte data
     *
     * @param raw the raw byte data for the single host AV pair
     */
    public AvSingleHost(final byte[] raw) {

     * @return instance for type, null if the type cannot be unwrapped
     */
    <T extends Address> T unwrap(Class<T> type);

    /**
     * Gets the host name of this address.
     *
     * @return the resolved host name, or the host address if it could not be resolved
     */
    String getHostName();

    /**
     * Return the IP address as text such as "192.168.1.15".
     *