Docs » Available host and application monitors » Configure application receivers for networks » DNS Query Input

DNS Query Input 🔗

Description 🔗

The Splunk Distribution of OpenTelemetry Collector provides this integration as the telegraf/dns monitor via the Smart Agent Receiver. This is an embedded form of the Telegraf DNS Query plugin.

Installation 🔗

This monitor is available in the SignalFx Smart Agent Receiver, which is part of the Splunk Distribution of OpenTelemetry Collector.

To install this integration:

  1. Deploy the Splunk Distribution of OpenTelemetry Collector to your host or container platform.

  2. Configure the monitor, as described in the next section.

Configuration 🔗

This Splunk Distribution of OpenTelemetry Collector allows embedding a Smart Agent monitor configuration in an associated Smart Agent Receiver instance.

Note: Providing a DNS Query Input monitor entry in your Collector or Smart Agent (deprecated) configuration is required for its use. Use the appropriate form for your agent type.

Splunk Distribution of OpenTelemetry Collector 🔗

To activate this monitor in the Splunk Distribution of OpenTelemetry Collector, add the following to your agent configuration:

receivers:
  smartagent/dns:
    type: telegraf/dns
    ...  # Additional config

See configuration examples for specific use cases that show how the Splunk Distribution of OpenTelemetry Collector can integrate and complement existing environments.

Note: Include monitors with event-sending functionality as members of a logs pipeline that utilizes an exporter that makes the event submission requests. Use a Resource Detection processor to ensure that host identity and other useful information is made available as event dimensions.

Smart Agent 🔗

To activate this monitor in the Smart Agent, add the following to your agent configuration:

monitors:  # All monitor config goes under this key
 - type: telegraf/dns
   ...  # Additional config

See Smart Agent example configuration for an autogenerated example of a YAML configuration file, with default values where applicable.

Configuration settings 🔗

The following table shows the configuration options for this monitor:

Option

Required

Type

Description

domains

no

list of strings

Domains or subdomains to query. If this is not provided, it is ["."] and RecordType is forced to NS.

network

no

string

Network is the network protocol name. (default: udp)

port

no

integer

DNS server port. (default: 53)

servers

yes

list of strings

Servers to query.

recordType

no

string

Query record type (A, AAAA, CNAME, MX, NS, PTR, TXT, SOA, SPF, SRV). (default: NS)

timeout

no

int64

Query timeout. Use a duration string that is accepted by https://golang.org/pkg/time/#ParseDuration. (default: 2s)

Metrics 🔗

The following metrics are available for this integration:

Get help 🔗

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To learn about even more support options, see Splunk Customer Success.