User manual

Contents
xiv Cobalt RaQ 4 User Manual
Configuring a secondary DNS server 182
Adding a secondary domain 183
Adding a secondary network 183
Advanced DNS 184
Network Mask Notation Conversion 184
Delegating a subdomain 185
Delegating a subnet 186
Configuring server settings 186
Start of Authority (SOA) configuration 187
Name server (NS) 188
Domain administrator email address 188
Refresh interval 188
Retry interval 188
Expire interval 188
Time-to-live period (TTL) 188
Sample setup of DNS service 189
Create an Address (A) Record 191
Create a second Address (A) Record 192
Create a Mail Server (MX) Record 193
Brief history of the Domain Name System (DNS) 194
What is a DNS record? 195
Who manages your DNS records? 195
How does DNS work? 195
E Licenses 197
The BSD Copyright 197
GNU General Public License 198
SSL License 204
F Glossary 205
Index 223