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Best DNS Spy Alternatives in 2026

Updated

20 apps from DNS monitoring software ranked against DNS Spy on the same published basis.

  1. 1
    Paessler PRTG Network Monitor Free plan AndroidapiiOSLinuxMac $16.67/mo7.5
    DNS Spy vs Paessler PRTG Network Monitor
  2. 2
    Visual Sentinel Free plan AndroidapiiOSWeb $4.50/mo7.3
    DNS Spy vs Visual Sentinel
  3. 3
    Dotcom-Monitor Free plan WebWinLinuxiOSAndroid $13.33/mo7.2
    DNS Spy vs Dotcom-Monitor
  4. 4
    Dynatrace Kubernetes Monitoring Free trial AndroidapiiOSLinuxself-hosted $1.40/mo7.2
    DNS Spy vs Dynatrace Kubernetes Monitoring
  5. 5
    StatusDrift Free plan AndroidapiiOSWeb $12,129/mo7.1
    DNS Spy vs StatusDrift
  6. 6
    Checkmate Free plan apiLinuxMacself-hostedWeb Free7.0
    DNS Spy vs Checkmate
  7. 7
    Nagios XI Free plan apiLinuxself-hostedWeb Free6.9
    DNS Spy vs Nagios XI
  8. 8
    DNS Check Free plan apiWeb $8/mo6.8
    DNS Spy vs DNS Check
  9. 9
    DomainWarn Free plan apiextensionWeb €15.83/mo6.8
    DNS Spy vs DomainWarn
  10. 10
    ManageEngine Applications Manager Free plan AndroidiOSLinuxWebWin $32.92/mo6.8
    DNS Spy vs ManageEngine Applications Manager
  11. 11
    TLDTrack Free plan WebiOSAndroid £9/mo6.8
    DNS Spy vs TLDTrack
  12. 12
    UpGex DNS Monitoring Free plan Web $8.33/mo6.8
    DNS Spy vs UpGex DNS Monitoring
  13. 13
    DriftWatch Free plan apiWeb $29/mo6.7
    DNS Spy vs DriftWatch
  14. 14
    dnshealth_exporter Free plan Linuxself-hosted Free6.6
    DNS Spy vs dnshealth_exporter
  15. 15
    Domain Monitor Free plan Web £6.39/mo6.6
    DNS Spy vs Domain Monitor
  16. 16
    Metric Tower Free plan apiself-hostedWeb Free6.6
    DNS Spy vs Metric Tower
  17. 17
    Zabbix Free trial apiLinuxMacself-hostedWeb 6.6
    DNS Spy vs Zabbix
  18. 18
    ThousandEyes DNS Monitoring Free trial AndroidapiiOSLinuxMac 6.5
    DNS Spy vs ThousandEyes DNS Monitoring
  19. 19
    Datadog DNS Monitoring Free trial apiLinuxWeb $5/mo6.0
    DNS Spy vs Datadog DNS Monitoring
  20. 20
    ZoneWatcher Free trial apiWeb $1.17/mo6.0
    DNS Spy vs ZoneWatcher

DNS Spy alternatives compared

#AppScoreFree planFromRuns on
1Paessler PRTG Network Monitor7.5Free plan$16.67/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
2Visual Sentinel7.3Free plan$4.50/moAndroid, API, iOS, Web
3Dotcom-Monitor7.2Free plan$13.33/moWeb, Windows, Linux, iOS, Android
4Dynatrace Kubernetes Monitoring7.2No$1.40/moAndroid, API, iOS, Linux, self-hosted, Web
5StatusDrift7.1Free plan$12,129/moAndroid, API, iOS, Web
6Checkmate7.0Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
7Nagios XI6.9Free planFreeAPI, Linux, self-hosted, Web
8DNS Check6.8Free plan$8/moAPI, Web
9DomainWarn6.8Free plan€15.83/moAPI, Browser, Web
10ManageEngine Applications Manager6.8Free plan$32.92/moAndroid, iOS, Linux, Web, Windows
11TLDTrack6.8Free plan£9/moWeb, iOS, Android
12UpGex DNS Monitoring6.8Free plan$8.33/moWeb
13DriftWatch6.7Free plan$29/moAPI, Web
14dnshealth_exporter6.6Free planFreeLinux, self-hosted
15Domain Monitor6.6Free plan£6.39/moWeb
16Metric Tower6.6Free planFreeAPI, self-hosted, Web
17Zabbix6.6No—API, Linux, Mac, self-hosted, Web, Windows
18ThousandEyes DNS Monitoring6.5No—Android, API, iOS, Linux, Mac, self-hosted, Web, Windows
19Datadog DNS Monitoring6.0No$5/moAPI, Linux, Web
20ZoneWatcher6.0No$1.17/moAPI, Web
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Questions about DNS Spy alternatives

What is the best alternative to DNS Spy?

Paessler PRTG Network Monitor, number 1 in DNS monitoring software with a score of 7.5 out of 10. The others here: Visual Sentinel, Dotcom-Monitor, Dynatrace Kubernetes Monitoring and 16 more.

What is the best free alternative to DNS Spy?

Paessler PRTG Network Monitor is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.