Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

Chapter 11: DNS (Domain Name System)
Configuring hosted DNS servers
Deleting a forward
lookup sub-domain
332
Exchangers table for this sub-domain. The Mail Exchangers table contains
DNS MX records that indicate what machines will act as mail routers (mail
exchangers) for the sub-domain. To add or delete an MX record entry use
the New or Delete buttons, respectively. See “Adding an MX record” on
page 332 for details on adding a new MX record entry.
This window is used to delete a sub-domain from a forward lookup zone. The
Domains in Zone field lists the domains defined in the zone.
1 To delete a domain, highlight the domain you want to delete and click
Delete Domain.
2 Click OK to save your changes. (Click Cancel to exit the window without
saving your changes.)
Adding an NS record This window is used to add a new NS record to the Name Servers table
associated with the selected zone or sub-domain. Follow the steps below.
Adding an MX
record
1 In the NS Record field, type the domain name associated with this NS
record. The name must be a fully-qualified name and must end with a
period. The name you specify should be a pre-existing domain name that
maps to a valid IP address.
2 Click Add to add the specified entry to the Name Servers table.
3 Click Close to exit the window.
This window is used to add a new MX record to the Name Servers table
associated with the selected zone, sub-domain, or host. Follow the steps
below.
Note: For more information on MX records, see “About mail exchanger records”
on page 314.
1 In the MX record field, type the fully-qualified name of the host that will act
as the mail exchange for this zone, sub-domain, or host.
2 In the Priority field, type a priority level for this record. Valid values are
1–65535. The lower the value, the higher the priority (for example, a value
of 1 will have a higher priority than a value of 10).
3 Click Add to save the new record.
4 Click Close to exit the window.