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PAVO DNS App For Splunk

Splunk AppInspect Passed
Admins: Please read about Splunk Enterprise 8.0 and the Python 2.7 end-of-life changes and impact on apps and upgradeshere.
Most sourcetypes contain DNS events of some sort. This app provides Splunk dashboards, forms, and reports which can be used to explore your DNS events across your different sourcetypes.

PAVO DNS App for Splunk Documentation


Author Aplura, LLC.
App Version 1.0.0
App Build 6
Platforms Splunk Enterprise
Splunk Enterprise versions 8.0, 7.3
Creates an index False
Implements summarization Currently, the app does not generate summaries
Summary Indexing False
Data Model Acceleration If Enabled
Report Acceleration False

Scripts and binaries

This App provides the following scripts:

Diag.py For use with the diag command.

About PAVO DNS App for Splunk


Most sourcetypes contain DNS events of some sort. This app provides Splunk dashboards, forms, and reports which can be used to explore your DNS events across your different sourcetypes.

To do this, the app relies on the Splunk Common Information Model (CIM) for network resolution (DNS) events. This means that the app can report on any network resolution(DNS) data, as long as it has been on-boarded properly, and is available through the Network Resolution (DNS) data model.

A note on Splunk Data Model Acceleration and Disk Space

This app requires data model acceleration, which will use additional disk space. If you are using the Splunk App for Enterprise Security, this is already enabled, and should have been factored into your retention policies. If not, you should review the documentation on data model acceleration, how it uses disk space, and how to plan for it.

A note on the Splunk Common Information Model

As mentioned above, the app uses the CIM for network resolution (DNS) events. The CIM allows you to take events from a number of sources or products, and report on them in one cohesive manner, using a common set of names for fields and event types.

Available Dashboards

DNS Overview

Provides a starting point for exploring your DNS events. Most panels will drill-down to other pages in the application.

Source Profile

DNS events which appear to come from a single source.

Destination Profile

DNS events sent to a specific destination.

Query Profile

DNS query information for specific queries.

Sourcetypes (Advanced)

Information about the sourcetypes which are present in the accelerated data.

Data Transparency Overview (Advanced)

This dashboard provides field information from the data models used to retrieve data for this application. Included information includes indexes and sourcetypes found in the data model. This dashboard also shows fields and constraints in the data models.


A simple HTML version of this document.

Support and resources

Questions and answers

Access questions and answers specific to PAVO DNS App for Splunk at https://answers.splunk.com . Be sure to tag your question with the App.



Because this App runs on Splunk Enterprise, all of the Splunk Enterprise system requirements apply.

This app depends on data models included in the Splunk Common Information Model Add-on, specifically the Network_Resolution data model. Please review the information on installing and using the Splunk Common Information Model Add-on and information on configuring the acceleration on the data model.

The Splunk Common Information Model Add-on can be downloaded from Splunkbase.

This app has been tested with versions 4.15 of the CIM add-on.

In order to make the app respond and load quickly, accelerated data models are used to provide summary data. For this data to be available, the Network_Resolution data model must be accelerated. Information on how to enable acceleration for the Network_Resolution data model can be found here. The data model must be accelerated for the length of time for which you would like to see reporting.

The Breakdown of Sourcetypes in Indexes in Dataset panel on the Data Transparency Overview dashboard will only be seen if the Sankey Diagram visualization is installed.

The Sankey Diagram Visualization can be downloaded from Sankey Diagram Custom Visualization.


PAVO DNS App for Splunk does not contain any lookup files.


There are no macros that need to be customized to help this app fit into your environment.

Splunk Common Information Model

  • References

Sankey Diagram Visualization (optional)

  • Downloads

Installation and Configuration

Reminder: This app should be installed on a search head where the Network_Resolution(DNS) data model has been accelerated. More information on installing or upgrading Splunk apps can be found here.


Download PAVO DNS App for Splunk at https://splunkbase.splunk.com/.

Installation Process Overview

  • Make sure the field extractions and tags on your DNS events are correct.

  • Install the Splunk Common Information Model Add-on (skip if you are installing on an ES search head).

  • Install the PAVO DNS App for Splunk.

  • Enable accelerations on the Network_Resolution(DNS) data model (skip if you are installing on an ES search head).

  • Wait for the accelerations to start. After the acceleration searches have run, you should start seeing the dashboards populate.

Deploy to single server instance

Follow these steps to install the app in a single server instance of Splunk Enterprise:

  1. Deploy as you would any App, and restart Splunk.

  2. If not already, install and accelerate the Network Resolution datamodel.

Deploy to Splunk Cloud

  1. Have your Splunk Cloud Support handle this installation.

Deploy to a Distributed Environment

  1. For each Search Head in the environment, deploy a copy of the App.

User Guide

Configure PAVO DNS App for Splunk

  • Install the App according to your environment (see steps above)

  • Datamodel acceleration is recommended, for performance.


PAVO DNS App for Splunk contains the following lookup files.

  • None

Event Generator

PAVO DNS App for Splunk does not include an event generator.


  1. Summary Indexing: No

  2. Data Model Acceleration: If Enabled

  3. Report Acceleration: No

Third Party Notices

Version 1.0.0 of PAVO DNS App for Splunk incorporates the following Third-party software or third-party services.

  • None

Known Issues

Version 1.0.0 of PAVO DNS App for Splunk has the following known issues:

  • None

Release notes

Version 1.0.0

  • Initial Upload and Release

PAVO DNS App for Splunk

Release Notes

Version 1.0.0
Sept. 10, 2020

Initial release of the PAVO DNS App.


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