public static NbtAddress getByName(final String host, final int type, final String scope) throws UnknownHostException {

        return getByName(host, type, scope, null);
    }

    /**
     * Determines the address of a host given its host name with a specific server.
     * The additional <code>svr</code> parameter specifies the address to
     * query. This might be the address of a specific host, a name server,
     * or a broadcast address.

        // Arrange
        String host = "testHost";
        when(nameServiceClient.getNbtAllByAddress(host)).thenThrow(new UnknownHostException("Host not found"));

        // Act & Assert
        assertThrows(UnknownHostException.class, () -> nameServiceClient.getNbtAllByAddress(host));
        verify(nameServiceClient, times(1)).getNbtAllByAddress(host);
    }

    @Test

    /**
     * Displays the initial duplicate host management page.
     *
     * @param form the search form
     * @return HTML response for the duplicate host list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    /**
     * Displays the duplicate host list with pagination.
     *

            throws UnknownHostException {

        if (host == null || host.length() == 0) {
            return getLocalHost();
        }

        final Name name = new Name(this.transportContext.getConfig(), host, type, scope);
        if (!Character.isDigit(host.charAt(0))) {
            return doNameQuery(name, svr);
        }

        int IP = 0x00;

     *      byte[], boolean)
     */
    @Override
    public SSPContext createContext(CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning)
            throws SmbException {
        if (host.indexOf('.') < 0 && host.toUpperCase(Locale.ROOT).equals(host)) {
            // this is not too good, probably should better pass the address and check that it is a netbios one.

        Sem sem;
        String host, scope;
        int type;
        NbtAddress ans = null;
        InetAddress svr;
        UnknownHostException uhe;

        QueryThread(final Sem sem, final String host, final int type, final String scope, final InetAddress svr) {
            super("JCIFS-QueryThread: " + host);
            this.sem = sem;
            this.host = host;
            this.type = type;

                    this.addresses = this.ctx.getNameServiceClient().getAllByName(host, true);
                } else {
                    this.addresses = this.ctx.getNameServiceClient().getAllByName(host, false);
                }
            } catch (final UnknownHostException e) {
                throw new CIFSException("Failed to lookup address for name " + host, e);
            }
        }

        return getNextAddress();

    /**
     * Gets the active external host IP address for active mode FTP.
     *
     * @return The active external host IP address
     */
    public String getActiveExternalHost() {
        return activeExternalHost;
    }

    /**
     * Sets the active external host IP address for active mode FTP.
     *
     * @param activeExternalHost The active external host IP address
     */

            // 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");
            }

    }

    // Happy path: session retrieval with host/domain variations
    @ParameterizedTest
    @DisplayName("getSmbSession(ctx,host,domain) returns session for various inputs")
    @CsvSource({ "server,DOMAIN", "server,", ",DOMAIN", "," })
    void getSmbSession_withTarget(String host, String domain) {