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Head-to-head · DNS Monitoring Software

DomainWarn vs DNS Spy

  • Updated Nov 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score DomainWarn #2 in DNS Monitoring Software 9.2/10 Free plan · 14-day trial Free planFree trial✓ 3 of 4 features Visit DomainWarn
DNS Spy #3 in DNS Monitoring Software 9.1/10 7-day trial Free trial✓ 4 of 4 features Visit DNS Spy

DomainWarn leads on 1 check, DNS Spy on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDomainWarn · 9.2/10
  • Free planonly DomainWarn
  • Free trialboth
  • Most featuresDNS Spy · 4 of 4

DomainWarn scores higher on our rubric for dns monitoring software: 9.2 against 9.1 out of 10; our editors rank them #2 and #3.

DomainWarn offers free plan; DNS Spy doesn't.

DomainWarn is the better fit for agencies managing many domains. DNS Spy is the better fit for teams needing comprehensive DNS oversight.

  • DomainWarn fits best

    Agencies managing many domains

  • DNS Spy fits best

    Teams needing comprehensive DNS oversight

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature DomainWarn 9.2/10 Visit ↗ DNS Spy 9.1/10 Visit ↗
At a glance
Editor score 9.2 9.1
Ranking #2 in DNS Monitoring Software #3 in DNS Monitoring Software
Best for Agencies managing many domains Teams needing comprehensive DNS oversight
Pricing model Free plan + paid Paid
Starting price €190/yr —
Free plan ✓ (best) —
Free trial 14 days 7 days
Free trial length 14 days · no card needed 7 days · no card needed
Deployment Cloud Cloud
Platforms Web Web
Compliance GDPR 2FA
Integrations 11 integrations 13 integrations
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features DomainWarn 3/4 · DNS Spy 4/4
Resolution checks ✓ ✓
Propagation checks Not checked yet ✓ (best)
Record-change alerts ✓ ✓
Nameserver health checks ✓ ✓
Specs
Check interval 30 minutes Not checked yet
Query locations Not checked yet Not checked yet
Alert channels email, Slack, Microsoft Teams, Discord, webhook, PagerDuty, Opsgenie, Pushover, ntfy, SMS, web push, Telegram, Google Chat, Mattermost, Rocket.Chat, Zulip, Matrix, Gotify, private Atom feed, SMTP email, Slack, Discord, PagerDuty, webhooks, syslog
Our review
Pros
  • Authoritative DNS queries with before-and-after change details
  • DNSSEC, nameserver health and multiple record types in one monitor
  • Client portfolios, REST API and extensive notification channels
  • Monitors authoritative DNS records, changes, inconsistencies, and history
  • Combines expiration tracking, propagation checks, and 30+ security checks
  • Supports Cloudflare, Route 53, Slack, PagerDuty, APIs, and webhooks
Cons
  • The Free plan covers only 3 domains
  • History is limited to 7 days on the Free plan
  • Advanced capacity requires paid Freelancer or Agency tiers
  • No free plan; access begins with a paid Personal plan
  • Advanced audits, phishing protection, and team controls require Enterprise
  • The focus is DNS and domain oversight rather than general infrastructure monitoring
Our verdict

DomainWarn is a web-based DNS and domain monitoring service for agencies, freelancers, web developers and IT service providers managing client portfolios. It monitors DNS records, nameserver consistency, DNSSEC, website availability,…

Read the review →

DNS Spy is a web and API service for monitoring DNS records across authoritative nameservers. It is designed for individual domain owners, small businesses, MSPs, agencies, infrastructure teams, and enterprises managing domain portfolios.…

Read the review →
  1. DomainWarnDNS Monitoring Software 9.2Free plan · 14-day trial
  2. DNS SpyDNS Monitoring Software 9.17-day trial

Strengths and trade-offs

  • DomainWarn — where it wins

    • Authoritative DNS queries with before-and-after change details
    • DNSSEC, nameserver health and multiple record types in one monitor
    • Client portfolios, REST API and extensive notification channels

    Where it doesn't

    • The Free plan covers only 3 domains
    • History is limited to 7 days on the Free plan
    • Advanced capacity requires paid Freelancer or Agency tiers
  • DNS Spy — where it wins

    • Monitors authoritative DNS records, changes, inconsistencies, and history
    • Combines expiration tracking, propagation checks, and 30+ security checks
    • Supports Cloudflare, Route 53, Slack, PagerDuty, APIs, and webhooks

    Where it doesn't

    • No free plan; access begins with a paid Personal plan
    • Advanced audits, phishing protection, and team controls require Enterprise
    • The focus is DNS and domain oversight rather than general infrastructure monitoring
  • DomainWarn9.2/10 · Free plan · 14-day trial

    A portfolio-focused DNS monitor with authoritative checks, incident detail and broad alert options.

    Visit DomainWarnFull verdict →
  • DNS Spy9.1/10 · 7-day trial

    A broad DNS oversight service for teams managing records, domains, and security.

    Visit DNS SpyFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update