}
            } else if( Character.isDigit( line.charAt( 0 ))) {
                char[] data = line.toCharArray();
                int ip, i, j;
                Name name;
                NbtAddress addr;
                char c;

                c = '.';
                ip = i = 0;
                for( ; i < data.length && c == '.'; i++ ) {
                    int b = 0x00;

      InetAddress ip = InetAddresses.forString(validIsatapAddress);
      assertTrue(InetAddresses.isIsatapAddress((Inet6Address) ip));
      assertEquals(
          "checking '" + validIsatapAddress + "'",
          ipv4,
          InetAddresses.getIsatapIPv4Address((Inet6Address) ip));
    }
    for (String nonIsatapAddress : nonIsatapAddresses) {
      InetAddress ip = InetAddresses.forString(nonIsatapAddress);

 * 
 * 1) IP Address - If a dot-quad IP string is used with getByName (or used
 * to create an NbtAddress internal to this netbios package), no query is
 * sent on the wire and the only state this object has is it's IP address
 * (but that's enough to connect to a host using *SMBSERVER for CallingName).
 * 
 * 2) IP Address, NetBIOS name, nodeType, groupName - If however a

			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 {
			conn, err = baseDialCtx(ctx, "tcp", net.JoinHostPort(ip, port))
			if err == nil {
				break
			}
		}

		return
	}

    /**
     * Retrieve all addresses of a host by it's address. NetBIOS hosts can
     * have many names for a given IP address. The name and IP address make the
     * NetBIOS address. This provides a way to retrieve the other names for a
     * host with the same IP address.
     *
     * @param addr
     *            the address to query
     * @return resolved addresses
     * @throws UnknownHostException

            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            

            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            

            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            

            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            

### DNS

Konzentrieren wir uns nun auf alle tatsächlichen HTTPS-Aspekte.

Zuerst würde der Browser mithilfe der **DNS-Server** herausfinden, welches die **IP für die Domain** ist, in diesem Fall für `someapp.example.com`.