Deleting a DNS Record Manually

Reference: http://documentation.commvault.com/commvault/v10/article?p=features/disaster_recovery/t_delete_dns_record.htm

Deleting a DNS A Record

Delete a DNS A record with name and IP address of the CommServe host.

Before You Begin

• Enable DNS binary
• Login to host computer as member of the Administrators group
• Have the host name and IP address ready

About This Task

Deleting and then adding a new DNS A record is the only way to modify an existing record.

Procedure

Use the following command to delete an A record on the Domain Name Server:

dnscmd.exe ServerName /RecordDelete ZoneName ComputerName A /f

where,

• ServerName - Specifies the DNS server that you are planning to manage.
• ZoneName - Specifies the zone in which the record resides.
• ComputerName - Specifies the name of the computer that needs to be deleted in the DNS server with the specified IP address
• A - Specifies the resource record type of the record you are adding
• IPAddress - The IP Address of the host /f Executes the command without asking for confirmation.

Example:

dnscmd.exe dnshost.mydomain.mycompany.com /RecordDelete mydomain.mycompany.com prodcs A /f