DNS in Action Table of Contents

Table of Contents

• Preface

• Chapter 1: Domain Name System
• 1.1 Domains and Subdomains
• 1.2 Name Syntax
• 1.3 Reverse Domains
• 1.4 Domain 0.0.127.in-addr.arpa
• 1.5 Zone
• 1.5.1 Special Zones
• 1.6 Reserved Domains and Pseudodomains
• 1.7 Queries (Translations)
• 1.7.1 Round Robin
• 1.8 Resolvers
• 1.8.1 Resolver Configuration in UNIX
• 1.8.2 Resolver Configuration in Windows
• 1.9 Name Server
• 1.10 Forwarder Servers

• Chapter 2: DNS Protocol
• 2.1 Resource Records
• 2.2 DNS Protocol
• 2.3 DNS Query
• 2.3.1 DNS Query Packet Format
• 2.3.2 DNS Query Packet Header
• 2.3.3 Question Section
• 2.3.4 The Answer Section, Authoritative Servers, and Additional Information
• 2.3.5 Compression
• 2.3.6 Inverse Query
• 2.3.7 Methods of RR Transfer via a DNS Packet
• 2.3.8 Communication Examples

• Chapter 3: DNS Extension
• 3.1 DNS Update
• 3.1.1 Header Section
• 3.1.2 Zone Section
• 3.1.3 Prerequisite Section
• 3.1.4 Update Section
• 3.1.5 Additional Data Section
• 3.1.6 Journal File
• 3.1.7 Notes
• 3.2 DNS Notify
• 3.2.1 Notify Message
• 3.3 Incremental Zone Transfer
• 3.3.1 Request Format
• 3.3.2 Reply Format
• 3.3.3 Purging
• 3.3.4 Examples from RFC 1995
• 3.4 Negative Caching (DNS NCACHE)
• 3.4.1 How Long are Negative Answers Stored in Memory?
• 3.4.2 The MINIMUM Field in an SOA Record
• 3.4.3 Saving Negative Reply Rules
• 3.5 DNS IP version 6 Extension
• 3.5.1 AAAA Records
• 3.5.2 A6 Records
• 3.5.3 Reverse Domains
• 3.5.4 DNAME Records
• 3.6 DNS Security Protocols
• 3.6.1 DNSsec
• 3.6.2 KEY Record
• 3.6.3 SIG Record
• 3.6.4 NXT Record
• 3.6.5 Zone Signature
• 3.6.6 Display Data
• 3.6.7 DNS Protocol
• 3.7 TSIG
• 3.7.1 TKEY
• 3.8 Saving Certificates to DNS

• Chapter 4: Name Server Implementation
• 4.1 DNS Database
• 4.2 RR Format
• 4.2.1 SOA Records
• 4.2.2 A Records
• 4.2.3 CNAME Records
• 4.2.4 HINFO and TXT Records
• 4.2.5 NS Records
• 4.2.6 MX Records
• 4.2.7 PTR Records
• 4.2.8 SRV Records
• 4.2.9 $ORIGIN
• 4.2.10 $INCLUDE
• 4.2.11 Asterisk (*) in a DNS Name
• 4.3 Name Server Implementation in BIND
• 4.3.1 named Program in BIND Version 4 System
• 4.3.2 New Generation BIND
• 4.3.2.1 Configuration File
• 4.3.2.2 DNS Database
• 4.3.2.3 Lightweight Resolver
• 4.4 Microsoft's Native Implementation of DNS in Windows 2000/2003

• Chapter 5: Tools for DNS Debugging and Administration
• 5.1 Tools for DNS Debugging
• 5.1.1 Check Configuration Files
• 5.1.2 named-checkconf Utility
• 5.1.3 named-checkzone Utility
• 5.1.4 nslookup Program
• 5.1.4.1 Debugging Mode
• 5.1.4.2 Debug Debugging Level
• 5.1.4.3 d2 Debugging Level
• 5.1.5 Other Programs Used for Debugging DNS
• 5.1.5.1 The dnswalk Program
• 5.1.5.2 The dig Program
• 5.2 The rndc Program
• 5.2.1 Signals
• 5.2.1.1 HUP Signal
• 5.2.1.2 INT Signal
• 5.2.1.3 IOT Signal
• 5.2.1.4 TERM Signal
• 5.2.1.5 KILL Signal
• 5.2.1.6 USR1 and USR2 Signals
• 5.3 Errors in DNS Configuration

• Chapter 6: Domain Delegation and Registration
• 6.1 Example 1
• 6.1.1 Server ns.company.tld
• 6.1.2 Server ns.provider.net
• 6.1.3 Server ns.manager-tld.tld
• 6.2 Example 2
• 6.2.1 Server ns.company.com
• 6.2.2 Server ns.branch.company.tld
• 6.3 Domain Registration

• Chapter 7: Reverse Domain Delegation

• Chapter 8: Internet Registry
• 8.1 International Organizations
• 8.2 Regional Internet Registry (RIR)
• 8.3 IP Addresses and AS Numbers
• 8.4 Internet Registry
• 8.4.1 Registration of a Local IR
• 8.5 Delegation of Second-Level Domains

• Chapter 9: DNS in Closed Intranets
• 9.1 Configuring a Root Name Server on the Same Server (BIND v4)
• 9.2 Configuring a Root Name Server on a Separate Server (BIND v4)
• 9.2.1 Configuring a Name Server for the Root Domain
• 9.2.2 Configuring Name Servers for company.com
• 9.3 Root DNS Server in Windows 2000/2003

• Chapter 10: DNS and Firewall
• 10.1 Shared DNS for Internet and Intranet
• 10.1.1 The Whole Internet is Translated on the Intranet
• 10.1.2 Only Intranet Addresses are Translated on Intranet
• 10.2 Name Server Installed on Firewall
• 10.2.1 Translation in Intranet—Whole Internet
• 10.2.2 Translation in Intranet without Internet Translation
• 10.3 Dual DNS
• 10.4 End Remarks

• Appendix A: Country Codes and RIRs

• Index