DNSBULKTEST(1) PowerDNS Authoritative Server DNSBULKTEST(1)

# [NAME](#NAME)

dnsbulktest - A debugging tool for intermittent resolver failures

# [SYNOPSIS](#SYNOPSIS)

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

# [DESCRIPTION](#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](#OPTIONS)

[**--help*,* -h**](#help)

Show a summary of options.

[**--quiet, -q**](#quiet)

Don't show information on individual queries.

[**--type,**-t** <TYPE>**](#type)

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

[**--envoutput*,* -e**](#envoutput)

Write results on STDOUT as shell environment variables

[**--version**](#version)

Display the version of dnsbulktest

# [AUTHOR](#AUTHOR)

PowerDNS.COM BV

# [COPYRIGHT](#COPYRIGHT)

PowerDNS.COM BV

October 17, 2026

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Document: dnsbulktest(1) from pdns-5.0 5.0.12-r16 (Chainguard OS)
Source: https://github.com/PowerDNS/pdns