ZyXEL ZyWALL USG 2000 User Guide - Page 791
Table 227
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Chapter 50 System The following table describes the labels in this screen. Table 227 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 ZyWALL 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. Domain Zone Forwarder This specifies a DNS server's IP address. The ZyWALL can query the DNS server to resolve domain zones for features like VPN, DDNS and the time server. Add Edit Remove Move # When the ZyWALL needs to resolve a domain zone, it checks it against the domain zone forwarder entries in the order that they appear in this list. Click this to create a new entry. Select an entry and click Add to create a new entry after the selected entry. Double-click an entry or select it and click Edit to be able to modify the entry's settings. To remove an entry, select it and click Remove. The ZyWALL confirms you want to remove it before doing so. Note that subsequent entries move up by one when you take this action. 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. Domain Zone A hyphen (-) displays for the default domain zone forwarder record. The default record is not configurable. The ZyWALL uses this default record if the domain zone that needs to be resolved does not match any of the other domain zone forwarder records. 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. Type A "*" means all domain zones. This displays whether the DNS server IP address is assigned by the ISP dynamically through a specified interface or configured manually (User-Defined). ZyWALL USG 2000 User's Guide 791