Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Asked 7 years, 7 months ago. Active 5 years, 6 months ago. Viewed 35k times. We know that we can update a record its IP by doing these steps: nsupdate server ns.
A update add somehost. Is this a way to delete the whole DB of a certain zone using nsupdate? Improve this question. This is equivalent to specifying -g on the commandline. This is equivalent to specifying -o on the commandline. If no realm is specified the saved realm is cleared. Requires that no resource record of any type exists with name domain-name. Requires that domain-name exists has as at least one resource record, of any type.
Requires that no resource record exists of the specified type , class and domain-name. If class is omitted, IN internet is assumed. This requires that a resource record of the specified type , class and domain-name must exist.
The data from each set of prerequisites of this form sharing a common type , class , and domain-name are combined to form a set of RRs. This set of RRs must exactly match the set of RRs existing in the zone at the given type , class , and domain-name. Deletes any resource records named domain-name. If type and data is provided, only matching resource records will be removed. The internet class is assumed if class is not supplied.
The ttl is ignored, and is only allowed for compatibility. Adds a new resource record with the specified ttl , class and data. Displays the current message, containing all of the prerequisites and updates specified since the last send. Sends the current message. This is equivalent to entering a blank line. The examples below show how nsupdate could be used to insert and delete resource records from the example.
Notice that the input in each example contains a trailing blank line so that a group of commands are sent as one dynamic update request to the master name server for example. Any A records for oldhost. And an A record for newhost. The newly-added record has a 1 day TTL seconds. The prerequisite condition gets the name server to check that there are no resource records of any type for nickname. If there are, the update request fails. The TSIG key is redundantly stored in two separate files.
This is a consequence of nsupdate using the DST library for its cryptographic operations, and may change in future releases. Name nsupdate — Dynamic DNS update utility. Synopsis nsupdate [ -d ] [ -D ] [[ -g ] [ -o ] [ -l ] [ -y [ hmac: ]keyname:secret ] [ -k keyfile ]] [ -t timeout ] [ -u udptimeout ] [ -r udpretries ] [ -R randomdev ] [ -v ] [filename].
Prev Up Next named-journalprint Home rndc. If no port number is specified, the default DNS port number of 53 is used. Sends all dynamic update requests using the local address.
When no local statement is provided, nsupdate will send updates using an address and port chosen by the system. If no port number is specified, the system will assign one. Specifies that all updates are to be made to the zone zonename. If no zone statement is provided, nsupdate will attempt determine the correct zone to update based on the rest of the input. Specify the default time to live for records to be added. The value none will clear the default ttl. Specifies that all updates are to be TSIG-signed using the keyname keysecret pair.
The key command overrides any key specified on the command line via -y or -k. This is equivalent to specifying -g on the commandline. This is equivalent to specifying -o on the commandline. If no realm is specified the saved realm is cleared. Requires that no resource record exists of the specified type , class and domain-name. If class is omitted, IN internet is assumed. This requires that a resource record of the specified type , class and domain-name must exist.
The data from each set of prerequisites of this form sharing a common type , class , and domain-name are combined to form a set of RRs. This set of RRs must exactly match the set of RRs existing in the zone at the given type , class , and domain-name.
Deletes any resource records named domain-name. If type and data is provided, only matching resource records will be removed. The internet class is assumed if class is not supplied. The ttl is ignored, and is only allowed for compatibility. Displays the current message, containing all of the prerequisites and updates specified since the last send.
The TSIG key is redundantly stored in two separate files. This is a consequence of nsupdate using the DST library for its cryptographic operations, and may change in future releases. Thanks for this example! Feel free to post other examples Oops! There is a tiny cockup. A damn cockup.
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