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26 Chapter 2 DNS Service
• Name Server (NS): Stores the authoritative name server for a given zone.
• Pointer (PTR): Stores the domain name of a given IP address (reverse lookup).
• Text (TXT): Stores a text string as a response to a DNS query.
If you need access to other kinds of records, you’ll need to edit BIND’s configuration
files manually. Please see BIND’s documentation for details.
Adding a Record to a Zone
You need to add records for each domain name (example.com) and subdomain name
(machine.example.com) for which the DNS master zone has responsibility. You should
not add records for domain names that this zone doesn’t control.
To add a record:
1 In Server Admin, choose DNS in the Computer & Services list.
2 Click Settings.
3 Select the Zones tab.
4 Select the Zone to which this record will be added.
5 Click the Add button beneath the Records list.
6 Select a record type from the Type pop-up menu.
7 In the first field, enter the fully qualified domain name.
The domain name must have a trailing period: “example.com.”
If you’re creating a PTR record, enter the IP address instead.
If you’re creating a TXT record, enter the text string you want.
8 In the second field, for the following record types, enter:
• A records: the IP address.
• AAAA records: the IPv6 address.
• C-NAME records: the real name of the computer.
• MX records: the name (with trailing period) or IP address of the domain’s mail
exchanger.
• PTR records: the full domain name with trailing period.
9 If creating an A record, select “Create reverse mapping record” to automatically create
its corresponding PTR record.
10 Click OK, and click Save.
LL2351.Book Page 26 Monday, September 8, 2003 2:47 PM