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Head-to-head · User Threat Prevention Software

DNSFilter vs Sublime Security

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score DNSFilter #3 in User Threat Prevention Software 8.7/10 14-day trial Free trial✓ 0 of 5 features Visit DNSFilter
Sublime Security #7 in User Threat Prevention Software 7.9/10 Free plan Free plan✓ 0 of 5 features Try Sublime Security

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

Our verdict

  • Highest scoreDNSFilter · 8.7/10
  • Free planonly Sublime Security
  • Free trialonly DNSFilter

DNSFilter scores higher on our rubric for user threat prevention software: 8.7 against 7.9 out of 10; our editors rank them #3 and #7.

Sublime Security offers free plan; DNSFilter doesn't.

DNSFilter is the better fit for budget-conscious teams needing DNS protection. Sublime Security is the better fit for teams wanting flexible email detection and remediation.

  • DNSFilter fits best

    Budget-conscious teams needing DNS protection

  • Sublime Security fits best

    Teams wanting flexible email detection and remediation

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 DNSFilter 8.7/10 Visit ↗ Sublime Security 7.9/10 Visit ↗
At a glance
Editor score 8.7 7.9
Ranking #3 in User Threat Prevention Software #7 in User Threat Prevention Software
Best for Budget-conscious teams needing DNS protection Teams wanting flexible email detection and remediation
Pricing model Paid Free plan + paid
Starting price $1/unit/mo —
Free plan — ✓ (best)
Free trial 14 days —
Deployment Cloud, Desktop, Mobile Cloud, Self-hosted
Platforms Web, Windows, macOS, iOS, Android Web
Integrations 3,000+ integrations 9 integrations
Features DNSFilter 0/5 · Sublime Security 0/5
Phishing simulations Not checked yet Not checked yet
Browser isolation Not checked yet Not checked yet
Attachment sandboxing Not checked yet Not checked yet
User report button Not checked yet Not checked yet
Automated remediation Not checked yet Not checked yet
Specs
Protected channels Not checked yet Not checked yet
Our review
Pros
  • Blocks phishing, malware, and botnet domains at the DNS layer.
  • Core includes content filtering and DNS encryption for $1 per license monthly.
  • Plus adds guest Wi-Fi, CyberSight analytics, and roaming clients on any platform.
  • Detects phishing, BEC, malware, policy violations, and impersonation
  • Supports custom MQL rules, backtesting, and behavioral threat hunting
  • Automates user-report triage and mailbox or campaign-level remediation
Cons
  • There is no free plan; the free trial lasts 14 days.
  • Core and Plus pricing is based on annual billing.
  • Enterprise pricing is custom, so costs require a vendor quote.
  • The free Core plan is limited to the first 100 mailboxes
  • Enterprise pricing requires a demo request
  • Its focus is email security rather than broader user threat prevention
Our verdict

DNSFilter is a cloud-based protective DNS platform for businesses, managed service providers, schools, and other organizations. It blocks malicious domains, phishing, malware, unwanted content, applications, and selected web categories…

Read the review →

Sublime Security is an AI-powered email security platform for organizations using Microsoft 365, Google Workspace, IMAP, or direct APIs. It targets security teams that need detection and response across phishing, business email compromise,…

Read the review →
  1. DNSFilterUser Threat Prevention Software 8.714-day trial
  2. Sublime SecurityUser Threat Prevention Software 7.9Free plan

Strengths and trade-offs

  • DNSFilter — where it wins

    • Blocks phishing, malware, and botnet domains at the DNS layer.
    • Core includes content filtering and DNS encryption for $1 per license monthly.
    • Plus adds guest Wi-Fi, CyberSight analytics, and roaming clients on any platform.

    Where it doesn't

    • There is no free plan; the free trial lasts 14 days.
    • Core and Plus pricing is based on annual billing.
    • Enterprise pricing is custom, so costs require a vendor quote.
  • Sublime Security — where it wins

    • Detects phishing, BEC, malware, policy violations, and impersonation
    • Supports custom MQL rules, backtesting, and behavioral threat hunting
    • Automates user-report triage and mailbox or campaign-level remediation

    Where it doesn't

    • The free Core plan is limited to the first 100 mailboxes
    • Enterprise pricing requires a demo request
    • Its focus is email security rather than broader user threat prevention

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update