Technical References

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CLI Reference Guide for AsyncOS 9.7 for Cisco Email Security Appliances
Chapter 3 The Commands: Reference Examples
DNS
- SETUP - Change global settings.
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DNS
This section contains the following CLI commands:
• dig
• dnsconfig
• dnsflush
• dnshostprefs
• dnslistconfig
• dnslisttest
• dnsstatus
dig
Description
Look up a record on a DNS server
Usage
Commit: This command does not require a ‘commit’.
Cluster Management: This command can be used in all three machine modes (cluster, group, machine).
Batch Command: This command supports a batch format.
Batch Format
The batch format of the dig command can be used to perform all the functions of the traditional CLI
command.
• Look up a record on a DNS server
• Do a reverse lookup for given IP address on a DNS server
These are the options available for the
dig command’s batch format
dig [options] [@<dns_ip>] [qtype] <hostname>
dig -x <reverse_ip> [options] [@<dns_ip>]
-s <source_ip> Specify the source IP address.
-t Make query over TCP.