What is this message mean?

[Mark.Andrews at nominum.com]

> 
> Hi all!
> I got these messages from /var/log/messages on DNS.
> By the way, I don't know meaning of this messages.
> Could you explain the meaning of this messages.
> Thank you!!
> 
> messages :
> 1. Feb 24 18:16:17 ns1 named[18623]: Err/TO getting serial# for "acs.co.kr"

	There was a problem getting the SOA record when performing the
	refresh check for acs.co.kr.  If it persists you may have a
	problem.

> 2. Feb 24 18:15:23 ns1 named[18623]: master zone "paka.co.kr" (IN) removed 

	You removed the zone paka.co.kr from named.conf.

	Mark
> 
> 
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--
Mark Andrews, Nominum Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com