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Head-to-head · DNS Monitoring Software

DNS Spy vs DNS Check

  • Updated Nov 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score DNS Spy #3 in DNS Monitoring Software 9.1/10 7-day trial Free trial✓ 4 of 4 features Visit DNS Spy
DNS Check #5 in DNS Monitoring Software 8.8/10 Free plan Free plan✓ 4 of 4 features Visit DNS Check

DNS Spy leads on 0 checks, DNS Check on 1, 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 scoreDNS Spy · 9.1/10
  • Free planonly DNS Check
  • Free trialonly DNS Spy

DNS Spy scores higher on our rubric for dns monitoring software: 9.1 against 8.8 out of 10; our editors rank them #3 and #5.

DNS Check offers free plan; DNS Spy doesn't.

DNS Spy is the better fit for teams needing comprehensive DNS oversight. DNS Check is the better fit for teams wanting broad record coverage for free.

  • DNS Spy fits best

    Teams needing comprehensive DNS oversight

  • DNS Check fits best

    Teams wanting broad record coverage for free

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 DNS Spy 9.1/10 Visit ↗ DNS Check 8.8/10 Visit ↗
At a glance
Editor score 9.1 8.8
Ranking #3 in DNS Monitoring Software #5 in DNS Monitoring Software
Best for Teams needing comprehensive DNS oversight Teams wanting broad record coverage for free
Pricing model Paid Free plan + paid
Starting price — —
Free plan — ✓ (best)
Free trial 7 days —
Money-back guarantee 7 days 90 days
Deployment Cloud Cloud
Platforms Web Web
Support Email Email, Phone
Integrations 13 integrations 8 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features DNS Spy 4/4 · DNS Check 4/4
Resolution checks ✓ ✓
Propagation checks ✓ ✓
Record-change alerts ✓ ✓
Nameserver health checks ✓ ✓
Specs
Check interval Not checked yet 5 minutes
Query locations Not checked yet Not checked yet
Alert channels email, Slack, Discord, PagerDuty, webhooks, syslog Email, Jira Service Management, OpsGenie, PagerDuty, Splunk On-Call, Basecamp, Slack
Our review
Pros
  • 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
  • Monitors 14 DNS record types with five-minute automated checks
  • Includes nameserver health, change alerts, and lookup-failure monitoring
  • Offers zone import/export, reports, integrations, and REST API access
Cons
  • 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
  • Custom nameservers and load-balancer monitoring require paid plans
  • Enterprise capacity comes through multiple paid tiers
  • Focused on DNS monitoring rather than broader infrastructure monitoring
Our verdict

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 →

DNS Check is a web-based DNS monitoring service for teams that need to verify DNS records and nameserver responses. It compares expected records with query results, monitors 14 record types, detects lookup failures and configuration…

Read the review →
  1. DNS SpyDNS Monitoring Software 9.17-day trial
  2. DNS CheckDNS Monitoring Software 8.8Free plan

Strengths and trade-offs

  • 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
  • DNS Check — where it wins

    • Monitors 14 DNS record types with five-minute automated checks
    • Includes nameserver health, change alerts, and lookup-failure monitoring
    • Offers zone import/export, reports, integrations, and REST API access

    Where it doesn't

    • Custom nameservers and load-balancer monitoring require paid plans
    • Enterprise capacity comes through multiple paid tiers
    • Focused on DNS monitoring rather than broader infrastructure monitoring

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update