DNS_FC3DNS (Domain Name System) By…Adisorn Khawsang

DNS (Domain Name System)ByAdisorn Khawsang

DNS (Domain Name System)

IP Address , IP Address

InterNIC (Internet Network Information Center) IP Name Server

Name Server IP Server DNS Name Server Domain

Name Server .th http://www.thnic.net

DNS 2 Master Name Server : /

/ Master Slave Name Server : Master

2 Forward Lookup Zone :

IP Address Reverse Lookup Zone : IP Address

Name Server 3 Name Server

Client Name Server Root Name Server Nameserver Nameserver Registered IP

Root Name Server( /var/named/name.ca Bind)

; ; formerly NS.INTERNIC.NET ; . 3600000 IN NS A.ROOT-SERVERS.NET. A.ROOT-SERVERS.NET. 3600000 A 198.41.0.4 ; ; formerly NS1.ISI.EDU ; . 3600000 NS B.ROOT-SERVERS.NET. B.ROOT-SERVERS.NET. 3600000 A 192.228.79.201 ; ; formerly C.PSI.NET ; . 3600000 NS C.ROOT-SERVERS.NET. C.ROOT-SERVERS.NET. 3600000 A 192.33.4.12 ;

Root Name Server ()( /var/named/name.ca Bind)

; operated by VeriSign, Inc.;. 3600000 NS J.ROOT-SERVERS.NET.J.ROOT-SERVERS.NET. 3600000 A 192.58.128.30;; operated by RIPE NCC;. 3600000 NS K.ROOT-SERVERS.NET.K.ROOT-SERVERS.NET. 3600000 A 193.0.14.129 ;; operated by ICANN;. 3600000 NS L.ROOT-SERVERS.NET.L.ROOT-SERVERS.NET. 3600000 A 198.32.64.12;; operated by WIDE;. 3600000 NS M.ROOT-SERVERS.NET.M.ROOT-SERVERS.NET. 3600000 A 202.12.27.33; End of File

DNS XWindow

DNS shell prompt 3 bind

(bind-9.2.4-2.i386.rpm) ( 3 FC3) caching-nameserver

(caching-nameserver-7.3-3.noarch.rpm ( 3 FC3) bind-chroot

(bind-chroot-9.2.4-2.i386.rpm) ( 3 FC3)

webmin http://www.webmin.com rpm (RPM suitable for redhat)

DNS shell prompt () :

DNS

nslookup

nslookup

nslookup ()

nslookup ()

dig

host

webmin

Domain Name Server

sornlinux.net Internic IP Address

IP Addressns1.sornlinux.net Nameserver (Master Name Server) 202.129.16.18ns2.sornlinux.net Nameserver (Master Name Server) 202.129.16.19www.sornlinux.net Host 202.129.16.20mail1.sornlinux.net Mail Exchanger 202.129.16.21mail2.sornlinux.net Mail Exchanger 202.129.16.22mail.sornlinux.net Alias to mail1.sornlinux.net IP mail1.sornlinux.net

Reverse Master Zone Reverse Master Zone Reverse

Master Zone Forward Master Server

Reverse Master Zone Reverse Master Zone Reverse Master Zone

Forward Master Zone

Reverse Master Zone webmin Servers BIND DNS Server Create master zone Reverse (Addresses to Names) Domain name/Network IP 3 Master server

nameserver Create

Reverse Master Zone () Name Server 2 Reverse Master Zone

Name Server Name Server 2 (

. ) Create

Forward Master Zone Create master zone Forward (Names to Addresses)

Forward Master Zone () Name Server Name Server ( . ) Zone Name

Create

Forward Master Zone () MX Record (Mail Server) Mail Server

Forward Master Zone () Return to record types

Apply Changes host

OK

Forward Master Zone () Host IP Address

Namesever Mail Exchangers Host IP Addreess Nameservers Mail Exchangers Host A (type = A) Alias

Alias CNAME (type=CNAME) Nameserver Name Server

Name Server NS Mail Server Mail Server

Mail Server MX MX Mail Server

Forward Master Zone () host name Address host

update reverse name server

Forward Master Zone ()

Forward Master Zone () Alias Name Alias

Name Alias

Create Return to zone lists Apply Changes

Master Name Server

host la domain

Reverse Master Zone Reverse Master Zone

Network Reverse Address

IP Address (optional)

www www.sanook.com sanook.com IP Address (optional) host www Address IP

www Name

Forward Master Zone

All Record Types

Zone File Edit Record File

Reverse Master Zone

Forward Slave Zone Create slave zone Forward (Names to Addresses) Return to zone lists Apply Changes

Forward Slave Zone ()

Master Server ( 0)

Forward Master Zone

Reverse Slave Zone Create slave zone Reverse (Address to Names) Return to zone lists Apply Changes

Reverse Slave Zone ()

Master Server ( 0)

Forward Slave Zone

DNS

Forward Master Zone Forward Slave Zone Reverse Master Zone Reverse Slave Zone

Network

DNS (Domain Name System)DNS (Domain Name System) DNS Name Server Root Name Server( /var/named/name.ca Bind) Root Name Server ()( /var/named/name.ca Bind) DNS XWindow DNS shell prompt DNS shell prompt () DNS nslookup nslookup nslookup () nslookup () dig host webmin Domain Name Server Reverse Master Zone Reverse Master Zone Forward Master Zone Forward Master Zone () Forward Master Zone () Forward Master Zone () Forward Master Zone () Forward Master Zone () Forward Master Zone () Forward Master Zone () Reverse Master Zone IP Address (optional) Forward Master Zone Zone File Reverse Master Zone Forward Slave Zone Forward Slave Zone () Reverse Slave Zone Reverse Slave Zone () DNS