Chapter 44 System
ZyWALL USG Series User’s Guide
919
Figure 641 Configuration > System > DNS > Domain Zone Forwarder Add
The following table describes the labels in this screen.
44.6.10 MX Record
A MX (Mail eXchange) record indicates which host is responsible for the mail for a particular domain,
that is, controls where mail is sent for that domain. If you do not configure proper MX records for your
domain or other domain, external e-mail from other mail servers will not be able to be delivered to your
mail server and vice versa. Each host or domain can have only one MX record, that is, one domain is
mapping to one host.
Table 370 Configuration > System > DNS > Domain Zone Forwarder Add
LABEL DESCRIPTION
Domain Zone A domain zone is a fully qualified domain name without the host. For example, zyxel.com.tw is
the domain zone for the www.zyxel.com.tw fully qualified domain name. For example,
whenever the Zyxel Device receives needs to resolve a zyxel.com.tw domain name, it can
send a query to the recorded name server IP address.
Enter * if all domain zones are served by the specified DNS server(s).
DNS Server
Select DNS Server(s) from ISP if your ISP dynamically assigns DNS server information. You also
need to select an interface through which the ISP provides the DNS server IP address(es). The
interface should be activated and set to be a DHCP client. The fields below display the (read-
only) DNS server IP address(es) that the ISP assigns. N/A displays for any DNS server IP address
fields for which the ISP does not assign an IP address.
Select Public DNS Server if you have the IP address of a DNS server. Enter the DNS server's IP
address in the field to the right. The Zyxel Device must be able to connect to the DNS server
without using a VPN tunnel. The DNS server could be on the Internet or one of the Zyxel
Device’s local networks. You cannot use 0.0.0.0. Use the Query via field to select the interface
through which the Zyxel Device sends DNS queries to a DNS server.
Select Private DNS Server if you have the IP address of a DNS server to which the Zyxel Device
connects through a VPN tunnel. Enter the DNS server's IP address in the field to the right. You
cannot use 0.0.0.0.
OK Click OK to save your customized settings and exit this screen.
Cancel Click Cancel to exit this screen without saving.
To Next Page
Loading...
