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Is hans-otte.de a Scam? Security Check Results - Hans Otte

hans-otte.de Security Report Summary

hans-otte.de received a security score of 53 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers Hans Otte's website security posture. Hans Otte operates in the Energy industry in Germany.

Hans Otte is a well-established mid-sized German company specializing in energy-efficient building services including heating, sanitary installations, climate technology, and photovoltaic systems. Founded in 1988, the company serves residential and commercial clients primarily in Schleswig-Holstein and surrounding regions. The website reflects a professional business with clear service offerings, references, and partner affiliations. Technically, the site is built on WordPress with modern plugins for SEO, cookie consent, and user engagement, indicating a mature digital infrastructure. Security posture is good with HTTPS and consent mechanisms in place, though improvements are recommended in security headers and privacy policy publication. Overall, the site is trustworthy and well-positioned in its market niche.

The security scan identified 30 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: WordPress 6.8.3, PHP, jQuery 3.7.1, WPBakery Page Builder, Rank Math PRO SEO plugin, Borlabs Cookie (consent management), Ultimate Member plugin, GAppointments plugin, Ajax Search Pro.

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.

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Is hans-otte.de Safe? Security Analysis for Hans Otte

https://hans-otte.de

Check if hans-otte.de is a scam or legitimate. Free security scan and reviews.

EnergyGermanymedium
WordPress 6.8.3PHPjQuery 3.7.1WPBakery Page BuilderRank Math PRO SEO plugin+4 more
Analyzed 10/31/2025Completed 3:06:14 PM4mo ago
53
Security Score
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Domainhans-otte.de
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SEQ SIA

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

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

Hans Otte is a well-established mid-sized German company specializing in energy-efficient building services including heating, sanitary installations, climate technology, and photovoltaic systems. Founded in 1988, the company serves residential and commercial clients primarily in Schleswig-Holstein and surrounding regions. The website reflects a professional business with clear service offerings, references, and partner affiliations. Technically, the site is built on WordPress with modern plugins for SEO, cookie consent, and user engagement, indicating a mature digital infrastructure. Security posture is good with HTTPS and consent mechanisms in place, though improvements are recommended in security headers and privacy policy publication. Overall, the site is trustworthy and well-positioned in its market niche.

Detected Technologies

WordPress 6.8.3PHPjQuery 3.7.1WPBakery Page BuilderRank Math PRO SEO pluginBorlabs Cookie (consent management)Ultimate Member pluginGAppointments pluginAjax Search Pro

11 urgent findings need attention

1 critical · 10 high

  • + 3 more findings in the full report below
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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

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Security Headers

8 findings

15/100

GDPR Compliance

2 findings

60/100

NIS2 Compliance

8 findings

17/100

Email Security

1 finding

85/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Hans Otte operates in the energy sector with a focus on sustainable and efficient building technologies. The company leverages strong regional partnerships and memberships in industry associations to maintain quality and trust. Its business model centers on providing comprehensive installation and maintenance services, supported by a skilled workforce of approximately 90 employees. The website content and references demonstrate a solid project portfolio and a commitment to customer service. Growth indicators include active blog updates and visible engagement with modern energy solutions like heat pumps and photovoltaics.

Security Posture Analysis

Comprehensive Security Assessment

The website employs HTTPS and a cookie consent mechanism, which are positive security and privacy practices. However, the absence of explicit security headers such as Content-Security-Policy and X-Frame-Options reduces the overall security posture. No vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of a published privacy policy and incident response contacts represents compliance gaps, especially under GDPR. The site uses reputable WordPress plugins, but continuous monitoring and updates are advised to mitigate plugin-related risks.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive privacy policy and terms of service to enhance GDPR compliance and user trust.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Hans Otte

Description:

Meisterhaftes Handwerk & mittelständisches Unternehmen seit 1988. Spezialisiert auf Sanitär, Heizung, Klimatechnik und Photovoltaik mit rund 90 Mitarbeitern in Schleswig-Holstein und Umgebung.

Key Services:
Heizung (Heating)Energieerzeugung (Energy generation including Photovoltaik)Sanitär (Sanitary installations)Klimatechnik (Climate technology)Ingenieurplanung (Engineering planning)Notdienst (Emergency service)Tiefbau (Civil engineering)
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
WordPress 6.8.3PHPjQuery 3.7.1WPBakery Page BuilderRank Math PRO SEO pluginBorlabs Cookie (consent management)Ultimate Member pluginGAppointments pluginAjax Search Pro
Frameworks:
WordPress
Platforms:
WordPress CMS
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced (implied by canonical URLs and resource loading)
  • Use of cookie consent mechanism (Borlabs Cookie)
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries detected

Analytics & Tracking

Services:
WP Statistics
Tracking Level:minimal
Privacy Compliance:basic

Advertising & Marketing

Marketing Tools:
Rank Math PRO SEOWP Statistics
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 a professional business site for a mid-sized German company specializing in energy and building services.

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🛡️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

60/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

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
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

17/100
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

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

85/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

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 include:agenturserver.de ~all
DNS Lookups:1/10
Policy:~all
DMARC Details
Policy:reject
Aggregate Reports:postmaster@hans-otte.de
Forensic Reports:postmaster@hans-otte.de
MTA-STS Details

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

72/100
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

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 41 days

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

70/100
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

Domain Registration Details

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

DNS Records

A Records:185.181.133.217
Name Servers:
ns1.pcm-service.de
ns2.pcm-service.de
MX Records:
10: mail.pcm-service.de
SOA:Serial: 2025101450, TTL: 86400s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:103ms

SPF Analysis

SPF Record:
v=spf1 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 hans-otte.de compare?

See how hans-otte.de stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built on WordPress 6.8.3 using WPBakery Page Builder and several plugins including Rank Math PRO for SEO, Borlabs Cookie for consent management, and Ultimate Member for user management. The site loads multiple CSS and JS assets, including jQuery 3.7.1. Performance is moderate with good mobile optimization and SEO meta tags present. Accessibility features are basic but functional. Hosting provider details are not explicitly found in the HTML content. The site uses structured data (JSON-LD) for organization and article schema, enhancing search engine understanding.
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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

Domainhans-otte.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

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