用户在Windows XP SP2上遇到nslookup无法找到服务器的问题，尽管DNS服务器172.27.0.12能正常响应其他查询。ipconfig显示DNS配置正确，且已执行了flushdns。进一步的调试信息揭示了DNS查询的权威记录，但nslookup仍然显示“不可用”和“未知”。这可能涉及到DNS解析缓存、配置或服务器设置问题。
我想在您的帮助下解决有关Windows上nslookup的问题。请在下面查看我的CMD命令(在WinXP SP2上运行)。
C:\>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : vchjXPsp3MUI
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter LAN1-hostvn1:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VMware Accelerated AMD PCNet Adapter
Physical Address. . . . . . . . . : 00-0C-29-E0-68-00
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.11.120
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.11.1
DHCP Server . . . . . . . . . . . : 192.168.11.1
DNS Servers . . . . . . . . . . . : 172.27.0.12
Primary WINS Server . . . . . . . : 172.27.0.12
Lease Obtained. . . . . . . . . . : Wednesday, August 03, 2011 8:58:19 AM
Lease Expires . . . . . . . . . . : Thursday, August 02, 2012 8:58:19 AM
Ethernet adapter LAN2-bridged:
Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : VMware Accelerated AMD PCNet Adapter
Physical Address. . . . . . . . . : 00-0C-29-E0-68-0A
C:\>ipconfig /flushdns
Windows IP Configuration
Successfully flushed the DNS Resolver Cache.
C:\>nslookup
*** Can't find server name for address 172.27.0.12: Non-existent domain
*** Default servers are not available
Default Server: UnKnown
Address: 172.27.0.12
> chj.dev.nls
Server: UnKnown
Address: 172.27.0.12
Name: chj.dev.nls
Address: 172.27.0.120
>
您可以看到我已经在我的IP配置中分配了DNS服务器，但是为什么nslookup喷口
*** Can't find server name for address 172.27.0.12: Non-existent domain
*** Default servers are not available
Default Server: Unknown
说“不可用”和“未知”是什么意思？
DNS服务器(172.27.0.12)正常工作，因为它按预期方式回答chj.dev.nls的查询。DNS服务器是Win2003 SP2。
一些详细信息：
> set debug
> chj.dev.nls
Server: UnKnown
Address: 172.27.0.12
------------
Got answer:
HEADER:
opcode = QUERY, id = 4, rcode = NOERROR
header flags: response, auth. answer, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
chj.dev.nls, type = A, class = IN
AUTHORITY RECORDS:
-> dev.nls
ttl = 3600 (1 hour)
primary name server = nlserver.dev.nls
responsible mail addr = hostmaster.dev.nls
serial = 14716
refresh = 900 (15 mins)
retry = 600 (10 mins)
expire = 86400 (1 day)
default TTL = 3600 (1 hour)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 5, rcode = NOERROR
header flags: response, auth. answer, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
chj.dev.nls, type = A, class = IN
AUTHORITY RECORDS:
-> dev.nls
ttl = 3600 (1 hour)
primary name server = nlserver.dev.nls
responsible mail addr = hostmaster.dev.nls
serial = 14716
refresh = 900 (15 mins)
retry = 600 (10 mins)
expire = 86400 (1 day)
default TTL = 3600 (1 hour)
------------
Name: chj.dev.nls
>
任何想法？谢谢。
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