Cisco Cisco Email Security Appliance C650 技术参考

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Cisco AsyncOS 8.0.2 CLI Reference Guide

Chapter 3 The Commands: Reference Examples

DNS

Adding an Alternate DNS Server for Specific Domains

You can configure the appliance to use the Internet root servers for all DNS queries except specific local
domains.

[20]>

Enter the minimum TTL in seconds for DNS cache.

[1800]>

Currently using the Internet root DNS servers.

Alternate authoritative DNS servers:

1. com: dns.example.com (10.1.10.9)

Choose the operation you want to perform:

- NEW - Add a new server.

- EDIT - Edit a server.

- DELETE - Remove a server.

- SETUP - Configure general settings.

[]>

Table 3-28

dnsconfig

-Adding Alternate DNS Servers

mail3.example.com> dnsconfig

Currently using the Internet root DNS servers.

No alternate authoritative servers configured.

Choose the operation you want to perform:

- NEW - Add a new server.