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Best DNS Spy Alternatives in 2026

Updated

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

  1. 1
    Paessler PRTG Network Monitor Free plan AndroidapiiOSLinuxMac $16.67/mo8.1
    DNS Spy vs Paessler PRTG Network Monitor
  2. 2
    Dynatrace Kubernetes Monitoring Free trial AndroidapiiOSLinuxself-hosted $1.40/mo7.8
    DNS Spy vs Dynatrace Kubernetes Monitoring
  3. 3
    Visual Sentinel Free plan AndroidapiiOSWeb $4.50/mo7.8
    DNS Spy vs Visual Sentinel
  4. 4
    StatusDrift Free plan AndroidapiiOSWeb $12,129/mo7.6
    DNS Spy vs StatusDrift
  5. 5
    Dotcom-Monitor Free plan WebWinLinuxiOSAndroid $13.33/mo7.4
    DNS Spy vs Dotcom-Monitor
  6. 6
    ThousandEyes DNS Monitoring Free trial AndroidapiiOSLinuxMac 7.4
    DNS Spy vs ThousandEyes DNS Monitoring
  7. 7
    DomainWarn Free plan apiextensionWeb €15.83/mo7.3
    DNS Spy vs DomainWarn
  8. 8
    Nagios XI Free plan apiLinuxself-hostedWeb Free7.3
    DNS Spy vs Nagios XI
  9. 9
    TLDTrack Free plan AndroidextensioniOSWeb £11/mo7.2
    DNS Spy vs TLDTrack
  10. 10
    Zabbix Free trial apiLinuxMacself-hostedWeb 7.2
    DNS Spy vs Zabbix
  11. 11
    Checkmate Free plan apiLinuxMacself-hostedWeb Free7.1
    DNS Spy vs Checkmate
  12. 12
    DriftWatch Free plan apiWeb $29/mo7.0
    DNS Spy vs DriftWatch
  13. 13
    DNS Check Free plan apiWeb $8/mo6.9
    DNS Spy vs DNS Check
  14. 14
    ManageEngine Applications Manager Free plan AndroidiOSLinuxWebWin $32.92/mo6.9
    DNS Spy vs ManageEngine Applications Manager
  15. 15
    Metric Tower Free plan apiself-hostedWeb Free6.9
    DNS Spy vs Metric Tower
  16. 16
    UpGex DNS Monitoring Free plan Web $8.33/mo6.9
    DNS Spy vs UpGex DNS Monitoring
  17. 17
    Datadog DNS Monitoring Free trial apiLinuxWeb $5/mo6.7
    DNS Spy vs Datadog DNS Monitoring
  18. 18
    PageLantern Free plan apiWeb $97/mo6.7
    DNS Spy vs PageLantern
  19. 19
    ZoneWatcher Free trial apiWeb $1.17/mo6.7
    DNS Spy vs ZoneWatcher
  20. 20
    Domain Monitor Free plan Web £6.39/mo6.6
    DNS Spy vs Domain Monitor

DNS Spy alternatives compared

#ToolScoreFree planFromRuns on
1Paessler PRTG Network Monitor8.1Free plan$16.67/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
2Dynatrace Kubernetes Monitoring7.8No$1.40/moAndroid, API, iOS, Linux, self-hosted, Web
3Visual Sentinel7.8Free plan$4.50/moAndroid, API, iOS, Web
4StatusDrift7.6Free plan$12,129/moAndroid, API, iOS, Web
5Dotcom-Monitor7.4Free plan$13.33/moWeb, Windows, Linux, iOS, Android
6ThousandEyes DNS Monitoring7.4No—Android, API, iOS, Linux, Mac, self-hosted, Web, Windows
7DomainWarn7.3Free plan€15.83/moAPI, Browser, Web
8Nagios XI7.3Free planFreeAPI, Linux, self-hosted, Web
9TLDTrack7.2Free plan£11/moAndroid, Browser, iOS, Web
10Zabbix7.2No—API, Linux, Mac, self-hosted, Web, Windows
11Checkmate7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
12DriftWatch7.0Free plan$29/moAPI, Web
13DNS Check6.9Free plan$8/moAPI, Web
14ManageEngine Applications Manager6.9Free plan$32.92/moAndroid, iOS, Linux, Web, Windows
15Metric Tower6.9Free planFreeAPI, self-hosted, Web
16UpGex DNS Monitoring6.9Free plan$8.33/moWeb
17Datadog DNS Monitoring6.7No$5/moAPI, Linux, Web
18PageLantern6.7Free plan$97/moAPI, Web
19ZoneWatcher6.7No$1.17/moAPI, Web
20Domain Monitor6.6Free plan£6.39/moWeb
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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 8.1 out of 10. The others here: Dynatrace Kubernetes Monitoring, Visual Sentinel, StatusDrift 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.