Best DNS Monitoring Software in 2026
Updated
In short: DomainWarn is ranked #1 of 34 as of 3 October 2026, ahead of DNS Check and DriftWatch. The best-ranked option with a free plan is DNS Check. The lowest first paid tier on this page is ZoneWatcher at $1.17/mo.
DNS monitoring helps teams keep an eye on domain resolution, nameserver health and record changes. The entries are ordered as a ranked best-of list, opening with DomainWarn, DNS Check and DriftWatch, followed by DNS Spy and ZoneWatcher. Compared on check intervals, query locations and propagation checks, the tools can be weighed against the coverage and cadence you need. Nameserver health and resolution checks address distinct parts of DNS monitoring, while record-change alerts and alert channels show what to consider for notification workflows. Free-plan availability and paid-from pricing provide additional points of comparison as you assess operational fit.
34 dns monitoring software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Check interval | |
|---|---|---|---|---|---|---|---|---|
| 1 | DomainWarn | 8.9 | RecognisedAPIDocumented | €15.83/mo | Yes | — | 30 minutes | View |
| 2 | DNS Check | 8.8 | RecognisedAPIDocumented | $8/mo | Yes | 8 /mo | 5 minutes | View |
| 3 |  DriftWatch | 8.3 | RecognisedAPIDocumented | $29/mo | Yes | 29 /mo | — | View |
| 4 |  DNS Spy | 8.2 | RecognisedAPIDocumented | $9/mo | No | — | — | View |
| 5 | ZoneWatcher | 8.2 | RecognisedAPIDocumented | $1.17/mo | No | 1.4 /mo | 5 minutes | View |
| 6 |  Metric Tower | 8.1 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 7 |  UpGex DNS Monitoring | 7.6 | RecognisedAPIDocumented | $8.33/mo | Yes | 9.99 /mo | 1 minutes | View |
| 8 | Zabbix | 7.3 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 9 | Nagios XI | 7.2 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 10 | Paessler PRTG Network Monitor | 7.2 | RecognisedAPIDocumented | $16.67/mo | Yes | 200 /mo | — | View |
| 11 |  ThousandEyes DNS Monitoring | 7.1 | RecognisedAPIDocumented | — | No | — | — | View |
| 12 |  StatusDrift | 6.9 | RecognisedAPIDocumented | — | Yes | — | 1 minutes | View |
| 13 |  DNSMonit | 6.8 | RecognisedAPIDocumented | — | Yes | — | 15 minutes | View |
| 14 | Domain Monitor | 6.7 | RecognisedAPIDocumented | £6.39/mo | Yes | — | — | View |
| 15 | DNSai | 6.6 | RecognisedAPIDocumented | — | Yes | 30 /mo | — | View |
| 16 |  NsLookup.io | 6.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 17 | PageLantern | 6.3 | RecognisedAPIDocumented | — | Yes | 7 /mo | 1 minutes | View |
| 18 | OneDollarDNS | 6.2 | RecognisedAPIDocumented | — | No | 1 /mo | 60 minutes | View |
| 19 |  Visual Sentinel | 6.2 | RecognisedAPIDocumented | — | Yes | 6 /mo | 360 minutes | View |
| 20 | Aura Monitoring | 6.1 | RecognisedAPIDocumented | — | Yes | 19 /mo | 1 minutes | View |
| 21 |  Down Device | 6.1 | RecognisedAPIDocumented | — | Yes | 9 /mo | 15 minutes | View |
| 22 | Dotcom-Monitor | 6.0 | RecognisedAPIDocumented | $13.33/mo | Yes | 13.33 /mo | 15 minutes | View |
| 23 |  Hardenize | 5.9 | RecognisedAPIDocumented | — | No | — | 1,440 minutes | View |
| 24 |  TLDTrack | 5.9 | RecognisedAPIDocumented | £9/mo | Yes | — | — | View |
| 25 |  Uptura | 5.8 | RecognisedAPIDocumented | — | Yes | 19 /mo | 1 minutes | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which dns monitoring software is ranked first on Inferse?
DomainWarn is ranked #1 of 34 with a score of 8.9. DNS Check is second and DriftWatch third.
How many of these have a free plan?
9 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ZoneWatcher has the lowest first paid tier we found: $1.17/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.