Cisco Cisco Email Security Appliance X1070 技术参考
227
Cisco AsyncOS 8.0.1 CLI Reference Guide
Chapter
nslookup
Description
Use the
nslookup
command to check the DNS functionality.
The
nslookup
command can confirm that the appliance is able to reach and resolve hostnames and IP
addresses from a working DNS (domain name service) server.
Currently configured interfaces:
1. Data 1 (192.168.1.1/24 on Data1: mail3.example.com)
2. Data 2 (192.168.2.1/24 on Data2: mail3.example.com)
3. Management (192.168.42.42/24 on Management: mail3.example.com)
Choose the operation you want to perform:
- NEW - Create a new interface.
- EDIT - Modify an interface.
- GROUPS - Define interface groups.
- DELETE - Remove an interface.
Table 3-116
Changing the IronPort Spam Quarantine URL (Continued)
Table 3-117
nslookup
Command Query Types
Query Type
Description
A
the host's Internet address
CNAME
the canonical name for an alias
MX
the mail exchanger
NS
the name server for the named zone
PTR
the hostname if the query is an Internet address, otherwise the pointer
to other information
to other information
SOA
the domain's “start-of-authority” information
TXT
the text information