Skip to main content

Is design-keller.de a Scam? Security Check Results - Design Keller Internetagentur Berlin

design-keller.de Security Report Summary

design-keller.de received a security score of 45 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers Design Keller Internetagentur Berlin's website security posture. Design Keller Internetagentur Berlin operates in the Technology industry in Germany.

Design Keller Internetagentur Berlin is a small, specialized internet agency based in Berlin, Germany, offering professional web design, web programming, and content management services primarily using TYPO3 CMS. The company targets local businesses and organizations seeking customized web solutions, including SEO and consulting. The website reflects a solid market position with a portfolio of diverse client projects and a consistent brand presence. Technically, the site uses legacy and modern web technologies, with moderate performance and basic mobile optimization. Security posture is adequate with HTTPS and cookie consent implemented, but lacks advanced security headers and explicit security policies. Overall, the site is professional and trustworthy but could improve privacy compliance and technical modernization. The domain registration data aligns well with the business claims, supporting legitimacy.

The security scan identified 36 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: XHTML, CSS, PHP, JavaScript, Flash, MySQL, Ajax.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

design-keller.de favicon

Is design-keller.de Safe? Security Analysis for Design Keller Internetagentur Berlin

https://design-keller.de

Check if design-keller.de is a scam or legitimate. Free security scan and reviews.

TechnologyGermanysmall
XHTMLCSSPHPJavaScriptFlash+2 more
Analyzed 7/12/2025Completed 9:13:19 AM8mo ago
45
Security Score
HIGH RISK

Below Technology avg (72)

10,000+

Domains scanned

500+

Security teams trust us

EveryPay

Secure checkout

Instant

Reports delivered

Professional PDF & Marketing Data

Get the professional PDF report for design-keller.de

Export this security analysis as a professional PDF document, receive it via email, and access marketing intelligence data including contact emails and phone numbers. One-time purchase for lifetime access.

PDF Report & Export

PDF download, email delivery, unlock code

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domaindesign-keller.de
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

Design Keller Internetagentur Berlin is a small, specialized internet agency based in Berlin, Germany, offering professional web design, web programming, and content management services primarily using TYPO3 CMS. The company targets local businesses and organizations seeking customized web solutions, including SEO and consulting. The website reflects a solid market position with a portfolio of diverse client projects and a consistent brand presence. Technically, the site uses legacy and modern web technologies, with moderate performance and basic mobile optimization. Security posture is adequate with HTTPS and cookie consent implemented, but lacks advanced security headers and explicit security policies. Overall, the site is professional and trustworthy but could improve privacy compliance and technical modernization. The domain registration data aligns well with the business claims, supporting legitimacy.

Detected Technologies

XHTMLCSSPHPJavaScriptFlashMySQLAjax

12 urgent findings need attention

1 critical · 11 high

  • + 4 more findings in the full report below
Continuous monitoring

Keep design-keller.de under constant watch

Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.

Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

25 €
per month · billed securely via EveryPay
Less than 1 € / day — cheaper than a single incident response hour

Cancel anytime. Alerts sent to the contacts you choose. Unlock the full report to view historical timelines and alerts.

Purchase to access the monitoring timeline, JSON diffs, alert history, and PDF export for design-keller.de.

Security Headers

8 findings

15/100

GDPR Compliance

4 findings

43/100

NIS2 Compliance

9 findings

2/100

Email Security

3 findings

72/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

The company operates as a service provider in the technology sector, focusing on web design and programming with a local Berlin market focus. Its competitive advantage lies in personalized consulting and a broad service offering including CMS integration and SEO. Revenue streams likely derive from project-based web development and ongoing support contracts. The business ecosystem includes a related domain (webdesign-keller.de) indicating possible brand extensions or partner sites. Growth indicators include a long-standing domain and a portfolio of diverse projects. Strategic observations suggest opportunities in enhancing mobile responsiveness and expanding digital marketing capabilities.

Extracted Contact Information

Marketing Intelligence Data

Physical Addresses (1)

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate security maturity level with HTTPS enabled and a cookie consent mechanism in place. However, it lacks critical security headers such as Content-Security-Policy and X-Frame-Options, which are recommended to mitigate common web attacks. No explicit security or incident response policies are published, and no dedicated security contact channels are provided. The use of legacy technologies like Flash could pose security risks if not properly managed. Overall, the security posture is functional but could benefit from improvements in policy transparency, technical controls, and vulnerability management.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Design Keller Internetagentur Berlin

Description:

Design Keller Internetagentur Berlin bietet hochwertiges Webdesign, Webprogrammierung, Content Management, Gestaltung und Erstellung von Webseiten/Internetauftritten z.B. mit Typo3, Wordpress, Shops.

Key Services:
WebdesignWebprogrammierungContent Management (Typo3, Wordpress)Suchmaschinenoptimierung (SEO)Consulting and conception
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
XHTMLCSSPHPJavaScriptFlashMySQLAjax
Frameworks:
TYPO3 CMS
Performance:

moderate

Mobile:

basic

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
70/100
Best Practices:
  • HTTPS enabled
  • Cookie consent banner implemented

Analytics & Tracking

Services:
Google Analytics
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Transparency Level:basic

Website Quality Assessment

Design Quality:good
User Experience:good
Content Relevance:good
Navigation Clarity:good
Professionalism:good
Trustworthiness:high

Key Observations

1

Website is fully accessible with no blocking or WAF challenges.

Get this report delivered to your inbox

Receive a summary of the design-keller.de security findings by email. Quick and easy to share with decision makers.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

15/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

43/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: energy, transport, banking, digital

Need this report as a PDF?

Download the complete design-keller.de security analysis as a professional PDF. Share it with your team, clients, or stakeholders.

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

72/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 mx a include:agenturserver.de ~all
DNS Lookups:3/10
Policy:~all
DMARC Details
Policy:none
Subdomain Policy:quarantine
Aggregate Reports:webmaster@design-keller.de
MTA-STS Details

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

67/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

Mixed Content Detected

MEDIUM

2 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

65/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:46.30.59.148, 185.233.52.104
Name Servers:
ns81.domaincontrol.com
ns82.domaincontrol.com
MX Records:
10: mx1.agenturserver.de
10: mx2.agenturserver.de
20: mx3.agenturserver.de
50: mx4.agenturserver.de
SOA:Serial: 2024072200, TTL: 600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:83ms

SPF Analysis

SPF Record:
v=spf1 mx a include:agenturserver.de ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

20/100
Score

High-Risk Service Exposed: FTP

HIGH

Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer

Service Exposed: SSH

MEDIUM

Port 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced

How does design-keller.de compare?

design-keller.de scores below average. Browse similar domains to see how competitors handle security.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built on TYPO3 CMS with a technology stack including XHTML, CSS, PHP, JavaScript, and MySQL. It uses Google Analytics for tracking and is hosted on DomainControl nameservers, indicating GoDaddy hosting. The site has moderate performance and basic mobile optimization, with some legacy elements like Flash still referenced. SEO is well addressed through meta tags and structured navigation. Accessibility features are basic and could be improved. The technical infrastructure is stable but shows signs of technical debt and modernization opportunities, particularly in adopting modern JavaScript frameworks and improving security configurations.
Professional PDF & Marketing Data

Download the design-keller.de report as PDF

Get the complete analysis in a shareable PDF format, delivered instantly to your email with lifetime access.

PDF Report & Export

PDF download, email delivery, unlock code

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domaindesign-keller.de
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

Want OffSeq to fix this?

Book a 30-minute remediation call

Our security engineers can resolve the high-severity findings identified in this report — from SSL misconfigurations and missing headers to compliance gaps and infrastructure hardening.

OffSeq provides end-to-end cybersecurity services: penetration testing, vulnerability remediation, compliance consulting, and continuous monitoring. View all services

Scan your own website

Liked the design-keller.de report? Run the same comprehensive security analysis on your domain — free, instant, and no sign-up required.

Or browse our directory of >10,000 scanned websites.

⭐ Verified Community Reviews

What others say about design-keller.de

Share your experience to help others make informed decisions. We verify every review by email and publish it once our moderation team approves it.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

out of 5

0 reviews published

Loading reviews…

How did we do?

Your feedback directly shapes our roadmap. Rate the quality of this report, leave an optional comment, and let us know if you want our security specialists to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.

Analyze Another Website