ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

DNS Errors

Category

Network Infrastructure
Next in Network Infrastructure: DNS Lookup Failures

Description

An application or server had an unusual increase in the DNS errors, which indicates that domain name lookups failed. Services might be unable to resolve hostnames.

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report
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ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

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Periodic Table of Use Cases

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