nslookup error, what is matter ?

[mingx98]

I set up s name server in Solaris 7,
use nslookup,
"from IP to DNS" and "from DNS to IP" both are
OK, but when try " ls mydomain.com ", it say

*** Can't list domain mydomain.com: Unspecified error

and in /var/adm/messages , it say

Aug 1 10:55:05 myhostname named[212]: reloading nameserver
Aug 1 10:55:05 myhostname named[212]: named.hosts: WARNING SOA expire value is less than SOA refresh+retry (0 < 2+10800)
Aug 1 10:55:05 myhostname named[212]: named.hosts: WARNING SOA expire value is less than refresh + 10 * retry (0 < (2 +
10 * 10800))
Aug 1 10:55:05 myhostname named[212]: named.hosts: WARNING SOA expire value is less than 7 days (0)
Aug 1 10:55:05 myhostname named[212]: named.hosts: WARNING SOA refresh value is less than 2 * retry (2 < 10800 * 2)
Aug 1 10:55:05 myhostname named[212]: named.hosts:5: Database error ()
Aug 1 10:55:05 myhostname named[212]: named.hosts:6: Database error ())
Aug 1 10:55:05 myhostname named[212]: master zone &quot;mydomain.com&quot; (IN) rejected due to errors (serial 2001073116)
Aug 1 10:55:05 myhostname named[212]: named.rev:2: Domain Name error (test100.mydomain.com.)
Aug 1 10:55:05 myhostname named[212]: named.rev:3: Domain Name error (()
Aug 1 10:55:05 myhostname named[212]: named.rev:4: Domain Name error ()
Aug 1 10:55:05 myhostname named[212]: named.rev:5: Domain Name error ()
Aug 1 10:55:05 myhostname named[212]: named.rev:6: Domain Name error ()
Aug 1 10:55:05 myhostname named[212]: named.rev:7: Domain Name error ()
Aug 1 10:55:05 myhostname named[212]: named.rev:8: Domain Name error ())
Aug 1 10:55:05 myhostname named[212]: Zone &quot;3.in-addr.arpa&quot; (file named.rev): no SOA RR found
Aug 1 10:55:05 myhostname named[212]: master zone &quot;3.in-addr.arpa&quot; (IN) rejected due to errors (serial 0)
Aug 1 10:55:05 myhostname named[212]: named.127: WARNING SOA expire value is less than SOA refresh+retry (14400 < 28800+
1)
Aug 1 10:55:05 myhostname named[212]: named.127: WARNING SOA expire value is less than refresh + 10 * retry (14400 < (28
800 + 10 * 1))
Aug 1 10:55:05 myhostname named[212]: named.127: WARNING SOA expire value is less than 7 days (14400)
Aug 1 10:55:05 myhostname named[212]: named.127:5: Database error ()
Aug 1 10:55:05 myhostname named[212]: named.127:6: Database error ())
Aug 1 10:55:05 myhostname named[212]: named.127:12: Database error ()
Aug 1 10:55:05 myhostname named[212]: master zone &quot;localhost&quot; (IN) rejected due to errors (serial 2001073111)
Aug 1 10:55:05 myhostname named[212]: named.local: WARNING SOA expire value is less than SOA refresh+retry (14400 < 2880
0+1)
Aug 1 10:55:05 myhostname named[212]: named.local: WARNING SOA expire value is less than refresh + 10 * retry (14400 < (
28800 + 10 * 1))
Aug 1 10:55:05 myhostname named[212]: named.local: WARNING SOA expire value is less than 7 days (14400)
Aug 1 10:55:05 myhostname named[212]: named.local:5: Database error ()
Aug 1 10:55:05 myhostname named[212]: named.local:6: Database error ())
Aug 1 10:55:05 myhostname named[212]: named.local:10: Database error ()
Aug 1 10:55:05 myhostname named[212]: master zone &quot;0.0.127.in-addr.arpa&quot; (IN) rejected due to errors (serial 2001073111)
Aug 1 10:55:05 myhostname named[212]: named.ca:27: Database error (NIC.DDN.MIL.)
Aug 1 10:55:05 myhostname named[212]: named.ca:28: Database error (C.NYSER.NET.)
Aug 1 10:55:05 myhostname named[212]: named.ca:29: Database error (NS.NASA.GOV.)
Aug 1 10:55:05 myhostname named[212]: named.ca:30: Database error (A.ISI.EDU.)
Aug 1 10:55:05 myhostname named[212]: cache zone &quot;&quot; (IN) rejected due to errors (serial 0)
Aug 1 10:55:05 myhostname named[212]: Ready to answer queries.
Aug 1 10:55:25 myhostname named[212]: unapproved AXFR from [127.0.0.1].32806 for &quot;mydomain.ocm&quot; (not auth)

thanks