H3C S3100 Series Command Manual page 1071

Parameters
ptr ip-address: Displays the corresponding domain name for an IP address.
a domain-name: Displays the corresponding IP address for a DNS domain name. A domain name is a
string of up to 30 characters. Automatic domain name addition is supported.
Description
Use the nslookup type command to display DNS resolution result, namely, the domain name for a
specified IP address or IP address for a specified domain name.
Examples
# Display the corresponding domain name for 192.168.3.2.
<Sysname> nslookup type ptr 192.168.3.2
Trying DNS server (10.72.66.36)
Name: www.host.com
Address: 192.168.3.2
# Display the corresponding IP address for www.host.com.
<Sysname> nslookup type a www.host.com
Trying DNS server
Name: www.host.com
Address: 192.168.3.2
reset dns dynamic-host
Syntax
reset dns dynamic-host
View
User view
Parameters
None
Description
Use the reset dns dynamic-host command to clear information in the dynamic domain name cache.
Related commands: display dns dynamic-host.
Examples
# Clear the information in the dynamic domain name cache.
<Sysname> reset dns dynamic-host
(10.72.66.36)
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