안녕하세요.

끝날 듯 끝나지 않는 DNS와의 싸움이네요..
DNS를 동작시킨 후 서버에서 host 또는 ping으로 확인하면 
모든 호스트 네임이 응답하는데
노트북을 서버에 연결해서 ping 을 보내면 
unknown host name 이라는 메시지가 나옵니다.

다음은 DNS를 시작할 때의 /var/log/message 입니다.
==========================================================

Jul 14 10:54:24 ns /usr/sbin/named[1997]: starting BIND 9.1.0 -c /etc/named.conf
Jul 14 10:54:24 ns /usr/sbin/named[1997]: using 1 CPU
Jul 14 10:54:24 ns /usr/sbin/named[1999]: loading configuration from
'/etc/named.conf'
Jul 14 10:54:24 ns /usr/sbin/named[1999]: the default for the
'auth-nxdomain' option is now 'no'
Jul 14 10:54:24 ns /usr/sbin/named[1999]: no IPv6 interfaces found
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface lo,
127.0.0.1#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth0,
194.25.2.129#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth0:0,
194.25.134.24#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth0:1,
194.25.134.88#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth0:2,
194.25.134.132#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth1,
217.89.23.137#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth2,
158.43.240.3#53
Jul 14 10:54:24 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:24 ns /usr/sbin/named[1999]: listening on IPv4 interface eth2:0,
158.43.240.11#53
Jul 14 10:54:25 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:25 ns /usr/sbin/named[1999]: listening on IPv4 interface eth2:1,
158.43.128.67#53
Jul 14 10:54:25 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:25 ns /usr/sbin/named[1999]: listening on IPv4 interface eth2:2,
158.43.128.77#53
Jul 14 10:54:25 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:25 ns /usr/sbin/named[1999]: listening on IPv4 interface eth2:3,
158.43.188.60#53
Jul 14 10:54:25 ns /usr/sbin/named[1999]: binding TCP socket: address in use
Jul 14 10:54:25 ns /usr/sbin/named[1999]: master.c:1172:
unexpected error:
Jul 14 10:54:25 ns /usr/sbin/named[1999]: dns_master_load:
zone-0.0.127.in-addr.arpa:1: no TTL spe
cified. THIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:25 ns /usr/sbin/named[1999]: dns_master_load:
zone-0.0.127.in-addr.arpa:8: using RFC 
1035 TTL semantics
Jul 14 10:54:25 ns /usr/sbin/named[1999]: master.c:1172: unexpected error:
Jul 14 10:54:25 ns /usr/sbin/named[1999]: dns_master_load:
zone-43.158.in-addr.arpa:1: no TTL spec
ified. THIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:25 ns /usr/sbin/named[1999]: dns_master_load:
zone-43.158.in-addr.arpa:8: using RFC 1
035 TTL semantics
Jul 14 10:54:25 ns /usr/sbin/named[1999]: master.c:1172: unexpected error:
Jul 14 10:54:25 ns /usr/sbin/named[1999]: dns_master_load:
zone-25.194.in-addr.arpa:1: no TTL spec
ified. THIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-25.194.in-addr.arpa:1: unknown RR 
type ''
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_zone_load: zone
25.194.in-addr.arpa/IN: loading mast
er file zone-25.194.in-addr.arpa: unknown class/type
Jul 14 10:54:26 ns /usr/sbin/named[1999]: master.c:1172: unexpected error:
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-23.89.217.in-addr.arpa:1: no TTL s
pecified. THIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-23.89.217.in-addr.arpa:8: using RF
C 1035 TTL semantics
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-23.89.217.in-addr.arpa:12: not at 
top of zone
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_zone_load: zone
23.89.217.in-addr.arpa/IN: loading m
aster file zone-23.89.217.in-addr.arpa: not at top of zone
Jul 14 10:54:26 ns /usr/sbin/named[1999]: master.c:1172: unexpected error:
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load: zone-dial.pipex.com:1: no
TTL specified
. THIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load: zone-dial.pipex.com:2:
using RFC 1035 T
TL semantics
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-dial.pipex.com:12: unknown RR type
 'smtp.dial.pipex.com.'
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_zone_load: zone dial.pipex.com/IN:
loading master fi
le zone-dial.pipex.com: unknown class/type
Jul 14 10:54:26 ns /usr/sbin/named[1999]: master.c:1172: unexpected error:
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-www-proxy.btx.dtag.de:1: no TTL sp
ecified. THIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:26 ns /usr/sbin/named[1999]: dns_master_load:
zone-www-proxy.btx.dtag.de:2: ignoring 
out-of-zone data
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_master_load:
zone-www-proxy.btx.dtag.de:2: using RFC
 1035 TTL semantics
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_master_load:
zone-www-proxy.btx.dtag.de:10: not at t
op of zone
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_zone_load: zone
www-proxy.btx.dtag.de/IN: loading ma
ster file zone-www-proxy.btx.dtag.de: not at top of zone
Jul 14 10:54:27 ns /usr/sbin/named[1999]: master.c:1172: unexpected error:
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_master_load: zone-t-online.de:1: no
TTL specified. T
HIS ZONE WILL NO LONGER WORK IN FUTURE VERSIONS. Add a TTL.
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_master_load: zone-t-online.de:8: using
RFC 1035 TTL 
semantics
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_master_load: zone-t-online.de:10:
unknown RR type 'm
ailto.t-online.de.'
Jul 14 10:54:27 ns /usr/sbin/named[1999]: dns_zone_load: zone t-online.de/IN:
loading master file 
zone-t-online.de: unknown class/type
Jul 14 10:54:27 ns /usr/sbin/named[1999]: running

===========================================================

질문 사항 입니다.

1)"no TTL specified." 이라는 메시지가 있는데 TTL은 기본값 '1일' 을
사용했습니다.
문제의 소지가 있나요?

2) nameserver를 3개 돌리고 있습니다.
ns.t-online.de, ns.dial.pipex.com, ns.btx.dtag.de 입니다.
실제 인터텟 상에서는 각각 독립된 DNS인데 하나의 시스템에
설정했을 때는 master와 slave로 설정해야 하나요?
(책을 읽어보면 master와 slave 관계는 아니라고 생각듭니다만..)


3) 김승영 님이 쓰신 kldp의 DNS 문서를 보면 zone-default 화일을
생성하여 다른 zone 화일에서 포함하는 예시가 있는데
제 경우 이런 설정이 필요한가요?


참고로 본 시스템은 외부 회선과는 전혀 연결되어 있지
않습니다.
설정 IP와 호스트 네임은 다음과 같습니다.

=== A 도메인 ===
DNS   : 158.43.240.3 (ns.dial.pipex.com)
Proxy :   158.43.240.11 (proxy.dial.pipex.com)
Proxy prot : 3128 
www : 158.43.188.60
POP3 : pop.dial.pipex.com (158.43.128.67) 
SMTP : smtp.dial.pipex.com(158.43.128.77)


=== B 도메인 ===
DNS   : 194.25.2.129 (ns.dial.pipex.com)
Proxy :  217.89.23.137 (proxy.dial.pipex.com)
Port : 80
www : 194.25.134.132 (www.dial.pipex.com)
POP3 :  pop.t-online.de (194.25.134.24) 
SMTP : mailto.t-online.de (194.25.134.88)