Chapter 37 System
ZyWALL ATP Series User’s Guide
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The following table describes the labels in this screen.
Table 304 Configuration > System > DNS
LABEL DESCRIPTION
Address/PTR
Record
This record specifies the mapping of a Fully-Qualified Domain Name (FQDN) to an IP address.
An FQDN consists of a host and domain name. For example, www.zyxel.com.tw is a fully
qualified domain name, where “www” is the host, “zyxel” is the third-level domain, “com” is
the second-level domain, and “tw” is the top level domain.
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 address/PTR record.
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 (Section 37.6.6 on page 701) 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.
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