---
name: "dnsbulktest"
section: "1"
platform: "linux"
package: "powerdns"
version: "5.1.5-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/dnsbulktest"
---

# dnsbulktest(1)

A debugging tool for intermittent resolver failures

## NAME

dnsbulktest - A debugging tool for intermittent resolver failures

## SYNOPSIS

**dnsbulktest** \[*OPTION*\]... *IPADDRESS* *PORT* \[*LIMIT*\]

## DESCRIPTION

**dnsbulktest** sends a large amount of different queries (for up to *LIMIT* different domains) to the nameserver at *IPADDRESS* on port *PORT*. It reads the domain names from STDIN in the Alexa topX format and outputs statistics on STDOUT.

## OPTIONS

- **--help, -h**

  Show a summary of options.

- **--quiet, -q**

  Don't show information on individual queries.

- **--type,***-t* **\<TYPE\>**

  Query the nameserver for *TYPE*, A by default.

- **--envoutput, -e**

  Write results on STDOUT as shell environment variables

- **--version**

  Display the version of dnsbulktest

## AUTHOR

PowerDNS.COM BV

## COPYRIGHT

PowerDNS.COM BV