Cisco Cisco Email Security Appliance X1050 Referencia técnica
Chapter
304
Cisco IronPort AsyncOS 7.6 CLI Reference Guide
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.
server.
- EDIT - Modify an interface.
- GROUPS - Define interface groups.
- DELETE - Remove an interface.
Table 3-113
Changing the IronPort Spam Quarantine URL (Continued)
Table 3-114
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