DNS Zone Transfer via port #?

[Mark.Andrews at nominum.com]

	DNS uses port 53 both UDP and TCP most transactions can be done
	using either UDP or TCP.  Large transactions (>512 bytes) require
	TCP.  Zone transfers (AXFR) however only occur with TCP.

	Mark

> Can someone tell me which ip port zone transfers happen?  My assumption was p
> ort 53 (UDP).  
> 
> Thanks.
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com