Chapter 44 System
ZyWALL USG Series User’s Guide
915
FQDN
This is a host’s fully qualified domain name.
IP Address
This is the IP address of a host.
CNAME Record
This record specifies an alias for a FQDN. Use this record to bind all subdomains with the same
IP address as the FQDN without having to update each one individually, which increases
chance for errors. See CNAME Record (
) for more details.
Add
Click this to create a new entry.
Edit
Double-click an entry or select it and click Edit to be able to modify the entry’s settings.
Remove
To remove an entry, select it and click Remove. The Zyxel Device confirms you want to
remove it before doing so. Note that subsequent entries move up by one when you take this
action.
#
This is the index number of the domain zone forwarder record. The ordering of your rules is
important as rules are applied in sequence.
A hyphen (-) displays for the default domain zone forwarder record. The default record is not
configurable. The Zyxel Device uses this default record if the domain zone that needs to be
resolved does not match any of the other domain zone forwarder records.
Alias Name
Enter an Alias name. Use “*.” as prefix for a wildcard domain name. For example,
*.example.com.
FQDN
Enter the Fully Qualified Domain Name (FQDN).
Domain Zone
Forwarder
This specifies a DNS server’s IP address. The Zyxel Device can query the DNS server to resolve
domain zones for features like VPN, DDNS and the time server.
When the Zyxel Device needs to resolve a domain zone, it checks it against the domain zone
forwarder entries in the order that they appear in this list.
Add
Click this to create a new entry. Select an entry and click
Add
to create a new entry after the
selected entry.
Edit
Double-click an entry or select it and click
Edit
to be able to modify the entry’s settings.
Remove
To remove an entry, select it and click
Remove
. The Zyxel Device confirms you want to
remove it before doing so. Note that subsequent entries move up by one when you take this
action.
Move
To change an entry’s position in the numbered list, select the method and click
Move
to
display a field to type a number for where you want to put it and press [ENTER] to move the
rule to the number that you typed.
#
This is the index number of the domain zone forwarder record. The ordering of your rules is
important as rules are applied in sequence.
A hyphen (-) displays for the default domain zone forwarder record. The default record is not
configurable. The Zyxel Device uses this default record if the domain zone that needs to be
resolved does not match any of the other domain zone forwarder records.
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.
A “*” means all domain zones.
Type
This displays whether the DNS server IP address is assigned by the ISP dynamically through a
specified interface or configured manually (
User-Defined
).
DNS Server
This is the IP address of a DNS server. This field displays
N/A
if you have the Zyxel Device get a
DNS server IP address from the ISP dynamically but the specified interface is not active.
Query Via
This is the interface through which the Zyxel Device sends DNS queries to the entry’s DNS
server. If the Zyxel Device connects through a VPN tunnel,
tunnel
displays.
MX Record (for My
FQDN)
A MX (Mail eXchange) record identifies a mail server that handles the mail for a particular
domain.
Add
Click this to create a new entry.
Table 367 Configuration > System > DNS (continued)
LABEL
DESCRIPTION
Summary of Contents for USG110
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