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

    @Test
    void testGetNbtByName_StringIntStringInetAddress() throws UnknownHostException {
        // Arrange

            return doNameQuery(name, svr);
        }
        return new NbtAddress(getUnknownName(), IP, false, NbtAddress.B_NODE);
    }

    @Override
    public NbtAddress[] getNbtAllByName(final String host, final int type, final String scope, final InetAddress svr)
            throws UnknownHostException {
        return getAllByName(new Name(this.transportContext.getConfig(), host, type, scope), svr);
    }

        int retry = 1;

        do {
            if (this.dcListExpiration < now) {
                final Address[] list = getTransportContext().getNameServiceClient().getNbtAllByName(domain, 0x1C, null, null);
                this.dcListExpiration = now + this.netbiosCacheTimeout * 1000L;
                if (list != null && list.length > 0) {
                    this.dcList = list;