nslookupコマンドは、ネットワーク内のDNSサーバがドメイン名解析を正確に行うコマンドラインツールを監視します.
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NSLOOKUP
Nslookup DNS 。 Windows NT/2000/XP , Windows 98 。
Nslookup TCP/IP 。
DNS ， ns-px.online.sh.cn , http://www.jsjzx.net 220.181.31.3 IP ， 。
：
Windows 2000 “ ” － >“ ” － >“ ” － >“ ” ， C:\> Nslookup www.jsjzx.net ， “ ” ：
Server: ns-px.online.sh.cn
Address: 202.96.209.5
Name: www.jsjzx.net
Address: 220.181.31.3
， DNS ns-px.online.sh.cn ， IP 202.96.209.5 ， www.jsjzx.net IP 220.181.31.3 。 ， DNS ns-px.online.sh.cn ， ? ， IP 220.181.31.3 www.jsjzx.net? C:\> Nslookup 220.181.31.3 ， ：
Server: ns-px.online.sh.cn
Address: 202.96.209.5
Name: www.jsjzx.net
Address: 220.181.31.3
， DNS linlin 。
， ， Nslookup www.jsjzx.net ， ：
Server: ns-px.online.sh.cn
Address: 202.96.209.5
*** ns-px.online.sh.cn can't find www.jsjzx.net: Non-existent domain
DNS ns-px.online.sh.cn ， www.jsjzx.net 。 ， DNS ， www.jsjzx.net IP DNS 。
， Nslookup www.jsjzx.net ，
*** Can't find server name for domain: No response from server
*** Can't repairpc.nease.net : Non-existent domain
， ， DNS 。 ， ， DNS ， ， DNS 。
nslookup
1. A
C:\>nslookup www.cdnunion.com
*** Can't find server name for address 192.168.2.1: Non-existent domain
*** Default servers are not available
Server: UnKnown
Address: 192.168.2.1
Non-authoritative answer:
Name: www.cdnunion.com
Addresses: 61.129.102.61, 202.101.42.101
61.129.102.61, 202.101.42.101 WWW IP .
2. MX
C:\>nslookup -type=mx cdnunion.com
*** Can't find server name for address 192.168.2.1: Non-existent domain
*** Default servers are not available
Server: UnKnown
Address: 192.168.2.1
Non-authoritative answer:
cdnunion.com MX preference = 8, mail exchanger = mail.cdnunion.com
cdnunion.com nameserver = ns2.cdnunion.com
mail.cdnunion.com internet address = 61.129.102.61
mail.cdnunion.com cdnunion.com MX .
3. CNAME
C:\>nslookup -type=cname www.kukudm.com
*** Can't find server name for address 192.168.2.1: Non-existent domain
*** Default servers are not available
Server: UnKnown
Address: 192.168.2.1
Non-authoritative answer:
www.kukudm.com canonical name = www.kukudm.cdnunion.com
www.kukudm.cdnunion.com www.kukudm.com CNAME .
4.
C:\>nslookup -type=ns cdnunion.com
*** Can't find server name for address 192.168.2.1: Non-existent domain
*** Default servers are not available
Server: UnKnown
Address: 192.168.2.1
Non-authoritative answer:
cdnunion.com nameserver = ns2.cdnunion.com
ns2.cdnunion.com internet address = 61.129.102.61
ns2.cdnunion.com cdnunion.com DNS .
5. .
C:\>nslookup www.cdnunion.com 202.96.209.133
Server: ns-pd.online.sh.cn
Address: 202.96.209.133
Non-authoritative answer:
Name: www.cdnunion.com
Address: 210.51.25.233
202.96.209.133 DNS IP