My name server always have the following error mesages, what is it mean?

[Mark.Andrews at nominum.com]

> 1. Mar 29 11:04:08 ns named[83]: Malformed response from [210.153.90.30].53
> (answer  to wrong question)
> 
> 2. Mar 28 18:46:30 ns00 named[532]: unapproved update from
> [210.184.52.180].3336 for rb.com.hk

	This one means that you need to upgrade
	see http://www.isc.org/products/BIND/bind-security.html
> 
> 3. Mar 29 11:06:11 ns named[83]: Lame server on '84-139.davnet.com.hk' (in
> 'davnet.com.hk'?): [203.111.0.10].53 'ns1.magna.com.au': learnt
> (A=128.250.22.2,NS=137.1
> 89.6.1)

	http://www.acmebw.com/askmrdns/bind-messages.htm
> 
> 
> What's wrong with my name server? What is the meaning of the error messages?
> 
> Thanks
> Joe Au
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com