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The UTM-1 appliance includes an internal DNS server, which can resolve DNS names for hosts defined as network objects. Each host is assigned a DNS name in the format <networkobjectname>.<domainsuffix>, where <networkobjectname> is the name of the network object representing the host, and <domainsuffix> is the domain name suffix configured for the internal DNS server. The internal DNS server will reply to all DNS requests for the host's DNS name with the host's IP address.
In addition to resolving network objects, the internal DNS server also resolves requests for the current gateway. If a gateway hostname is defined, the DNS server will reply to DNS requests in the format <hostname>.<domainsuffix> with the gateway’s internal IP address. For information on configuring the gateway's hostname, see Configuring a Gateway Hostname.
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Note: The internal DNS server responds to DNS requests from internal network hosts only. It does not respond to requests from the Internet. |
