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Security report for emaillistverify.com

EmailListVerify · Technology · N/a

Low risk. 2 critical or high findings in GDPR outside view and SSL/TLS.

Security score

85/100

Risk levelLow

0–100, higher is better. How it is calculated

EmailListVerify is a mature technology company founded in 2015, specializing in bulk email verification and real-time email validation API services. The company targets businesses and marketers seeking to improve email deliverability and sender reputation by cleaning email lists from invalid, disposable, and spam trap addresses. Their market position is supported by over 5 billion emails checked and positive user reviews on Trustpilot, Capterra, and G2. The business model is SaaS-based with pay-as-you-go and subscription pricing options, integrating with popular email marketing platforms.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

2 findings rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

Need hands-on remediation? Email guard@offseq.com

Keep watching emaillistverify.com

This scan found 12 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
75
Security headers
95
Email security
70
DNS health
90
Network security
100
GDPR outside view
80
Average
85

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The company leverages a strong partnership ecosystem with integrations for Mailchimp, Aweber, MailerLite, and others, enhancing its value proposition. Its competitive advantage lies in comprehensive verification features, competitive pricing, and a user-friendly interface. Revenue streams include credit purchases and monthly subscriptions. The target customer segments are digital marketers, enterprises, and agencies focused on email marketing ROI and deliverability. Growth indicators include extensive customer testimonials and a broad feature set. Strategic observations suggest continued focus on API expansion and integration partnerships.

Security posture

The website demonstrates a solid security posture with HTTPS enforced, use of Cloudflare CDN for DDoS protection, and invisible Google reCAPTCHA to mitigate bot abuse. However, explicit security headers like CSP and X-Frame-Options are not clearly present, and no public security policy or incident response contacts are published. No vulnerabilities or exposed sensitive data were detected. GDPR compliance is indicated, but incident response readiness and vulnerability disclosure mechanisms are absent, representing areas for improvement.

Recommendations

  1. Implement and publish a formal security policy and incident response contact information.
  2. Add and enforce security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Enhance privacy compliance transparency by detailing data retention policies and user rights.
  5. Continue to monitor and update third-party libraries and tracking tools to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
EmailListVerify
Description
Provides bulk email verification services and real-time API to clean email lists by removing spam traps, bounces, disposable and catch-all emails.
Key services
Bulk email verification, Real-time email verification API, Email list cleaning, Spam trap detection, Disposable email detection, Catch-all domain detection, Email duplicates removal
Content quality
good
Branding
consistent

Technology

Stack
Cloudflare (DNS and CDN), Google Tag Manager, Google Analytics, Google reCAPTCHA v2 invisible, Tapfiliate (affiliate tracking), User.com (chat widget), Quora Pixel, Microsoft Clarity, Bing Ads, LinkedIn Insight Tag, Reddit Pixel, jQuery, UIkit CSS/JS framework, Astro framework (partial hydration)
Frameworks
UIkit, Astro
Platforms
Cloudflare
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Invisible Google reCAPTCHA for bot protection
  • Use of Cloudflare for DDoS and WAF protection
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Microsoft Clarity
Tracking level
extensive
Privacy practices
basic

Advertising

Ad networks
Google Ads, Bing Ads, Quora Ads, Reddit Ads, Facebook Ads, LinkedIn Ads
Tracking pixels
Microsoft Clarity, Facebook Pixel, Quora Pixel, Reddit Pixel, LinkedIn Insight Tag, Tapfiliate
Marketing tools
User.com chat widget
Transparency
good

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Website offers comprehensive email verification services with strong market presence.
  2. Good use of modern web technologies and tracking tools.
  3. Strong privacy and cookie policies with user consent mechanisms.
  4. No signs of malicious or suspicious activity.
  5. Good customer trust signals and testimonials.
  6. No explicit security policy or incident response info publicly available.
Technical notes

Notes

The website is built using modern web technologies including the Astro framework and UIkit CSS framework, hosted behind Cloudflare CDN for performance and security. It employs multiple analytics and marketing tools such as Google Analytics, Microsoft Clarity, and Tapfiliate for affiliate tracking. The site is mobile optimized and loads quickly, with good SEO practices including meta tags and Open Graph data. Technical debt appears low, but opportunities exist to improve accessibility and security header implementation. Overall, the technical infrastructure supports a reliable and scalable SaaS offering.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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