20052215

1. Whois

2. DNS

3. DNS

, IP , , , DNS DNS IP

ISO3166-1 2 .

, ISO3166-1 KR. KP, APNIC IP .

, www.korea.kp . RIR WHOIS .

WHOIS WHOIS . WHOIS . ,WHOIS 43

ISO3166-1 WHOIS ukwhois.nic.uk43uswhois.nic.us43cawhois.nic.ca43dewhois.nic.de43jpwhois.nic.or.jp43cnwhois.nic.or.cn43krwhois.nic.or.kr43auwhois.aunic.net43

Whois , .

N(name)N johnO(organization) O korea@ @ bigisp.net

.

( ) , (IP ) .

hosts : IP . /etc/hosts, NT / /system32/drivers/etc/hosts' .

DNS Root Domain 13

Root Domain com, net, edu, org, (kr, ch, ip) DNS , DNS .

DNS : /etc/resolv.conf DNS .

DNS : [] [ ] TCP/IP

1. www.wishfree.com IP . .

2. hosts . , hosts IP .

3. hosts DNS Local NS(Name Server) . Local NS Root NS .

4. Root NS www.wishfree.com com NS . 5. Local NS com www.wishfree.com . com wishfree.com Local NS . 6. Local NS wishfree.com DNS www.wishfree.com IP .

C:\>ipconfig /displaydns

C:\>ipconfig /flushdns

DNS Zone , DNS DNS Zone .

DNS Zone DNS . DNS Zone .

[] []- [] - DNS , .

Root# vi /etc/named.conf ZONE

ZONE

>set type=a;;>google.co.kr