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Windows Server 2003 DNS 新增功能

Windows Server 2003 DNS 新增功能. 林寶森 jeffl@ms11.hinet.net. 2003 DNS 的新增功能. Stub Zone Conditional Forwarding Local Subnet Priority Round-robin Rotation Disabling Recursion Store DNS Data in Application Partition of Active Directory. F ully Q ualified D omain N ame.

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Windows Server 2003 DNS 新增功能

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  1. Windows Server 2003DNS 新增功能 林寶森 jeffl@ms11.hinet.net

  2. 2003 DNS 的新增功能 • Stub Zone • Conditional Forwarding • Local Subnet Priority • Round-robin Rotation • Disabling Recursion • Store DNS Data in Application Partition of Active Directory

  3. Fully Qualified Domain Name • FQDN = Host Name + Domain Name • Example: www.abc.com.tw • www is Host Name • abc.com.tw is Domain Name

  4. abc.com.tw north south west sales support training What is a DNS Zone?

  5. What Are DNS Zone Types? Read/Write Read-Only Copy of limited records

  6. Multiple Domain 的名稱解析 • Windows 2000 Server • 公司自行成立 DNS Root Server，所有的 DNS Server皆修改 Root Hints 指向公司的 Root Server。 • DNS Server 互相做對方的 Secondary • DNS Server 互相 Forwarding • Windows Server 2003 • Stub Zone • Conditional Forwarding

  7. Server Default Preferences

  8. DNS Server Roles

  9. Remote Office Slow WAN Link Caching-OnlyDNS Server Client DNS Server Client Corporate Headquarters Client Using Caching-Only Servers • Perform name resolution on behalf of client computers and cache the results • Can be used to reduce DNS-related traffic across a WAN

  10. NSLOOKUP 指令 • set OPTION - set an option [no]recurse - ask for recursive answer to query domain=NAME - set default domain name to NAME type=X - set query type (ex. A, ANY, CNAME, MX, NS) querytype=X - same as type [no]msxfr - use MS fast zone transfer ixfrver=X - current version to use in IXFR transfer request • server NAME - set default server to NAME • ls [opt] DOMAIN - list addresses in DOMAIN -a - list canonical names and aliases -d - list all records -t TYPE - list records of the given type (e.g. A, CNAME, MX, etc.)

  11. 用 NSLOOKUP 解決下列問題 • 使用者抱怨有些網站無法連結 • 廠商或客戶連不上公司網站 • 廠商或客戶的電子郵件寄不過去 • 廠商或客戶的電子郵件收不到 • 強迫別人的 DNS 學習的方式

  12. 電子郵件無法傳遞時 • 自家的 DNS Server 是否能夠查到對方的記錄? • 自家的 Mail Server 是否能連線對方的 Server? • 兩邊的 Mail Server 頻寬是否足夠? • 對方是否有對 Mail Server 做反向查詢驗證? • 對方是否有設 Block List? • 收件者是否存在? 是否超過收件者人數上限? • 郵件是否超過可接受之大小? 是否中毒? • 啟動 Mail Server 的 Log 功能以檢查詳細過程

  13. 改善收信的狀況 • External DNS 委外 • 架設多台 Mail Server 及 Mail Relay MX 10 mail1.nwtraders.msft MX 10 mail2.nwtraders.msft MX 20 mail.seed.net.tw MX 30 mail.uu.net • 租用 ETRN 服務 • 租用 Mailbox 服務

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