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Is dns.com a Scam? Security Check Results - 帝恩思 Reviews

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Is dns.com Safe? Security Analysis for 帝恩思

Check if dns.com is a scam or legitimate. Free security scan and reviews.

TechnologyChinamedium
JavaScriptCSS3HTML5Swiper.jsBaidu Analytics+2 more
Analyzed 8/3/2025Completed 12:09:12 AM
58
Security Score
MEDIUM RISK

AI Summary

The website www.51dns.com represents 帝恩思, a Chinese digital security comprehensive service provider established in 2012 and publicly listed (证券代码 837018). The company offers a range of services including DNS resolution, DNS hijacking protection, SSL certificates, website hijacking detection, and downtime monitoring. The site targets enterprises and businesses requiring digital security solutions, positioning itself as a leading player in the Chinese digital security market. Technically, the website employs modern web technologies including HTML5, CSS3, JavaScript, and integrates third-party services such as Baidu Analytics and Tencent Qidian chat for analytics and customer interaction. The site is mobile optimized and demonstrates good SEO practices. However, some accessibility features and security headers are not explicitly detected. From a security perspective, the site uses HTTPS and SSL certificates, but lacks visible security headers and formal privacy or cookie policies. No direct contact information or incident response channels are found, which may impact user trust and compliance. The WHOIS data is unavailable, which raises concerns about domain registration transparency, though the website content and business claims appear professional. Overall, the website is functional and professional but would benefit from enhanced privacy compliance, clearer contact and incident response information, and improved security header implementation to strengthen trust and security posture.

Detected Technologies

JavaScriptCSS3HTML5Swiper.jsBaidu AnalyticsTencent Qidian chatVeriSign DNS

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

帝恩思 operates in the digital security sector, focusing on DNS and domain security services. The company is publicly listed, indicating a certain level of corporate governance and market presence. Its business model is B2B, serving enterprises needing protection against DNS hijacking, DDoS attacks, and other online threats. The company leverages innovative technologies to deliver comprehensive digital asset security and monitoring solutions. The partnership ecosystem includes major Chinese internet service providers and analytics platforms. Growth indicators include a diversified service portfolio and public listing status. Strategic observations suggest a focus on expanding cloud-based DNS services and enhancing security monitoring capabilities.

Extracted Contact Information

Marketing Intelligence Data

Email Addresses (1)

k*****@51dns.com

Company Registration

Legal Name:

帝恩思

Registration Number:

证券代码 837018

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate security maturity level with HTTPS enforced and SSL certificates in use. However, the absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection indicates room for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of a published vulnerability disclosure policy or security.txt file limits transparency in incident handling. Compliance with GDPR or similar regulations is not evident due to missing privacy and cookie policies. Incident response readiness is unclear as no dedicated security contact channels are provided. Overall, the security culture appears functional but could be enhanced with formal policies and improved header configurations.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive privacy and cookie policies with clear consent mechanisms to improve compliance and user trust.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

帝恩思

Description:

帝恩思是 2012 年成立的新三板挂牌企业(证券代码 837018),致力成为全球知名数字安全综合服务商。帝恩思通过创新技术打造数字资产安全产品、应用安全监测和域名安全服务,保护在线业务免受网络威胁。优势包括数字资产安全服务、应用安全监测服务、域名安全服务,公司服务团队为众多企业提供数字安全解决方案。

Key Services:
digital asset security servicesapplication security monitoringdomain name security servicesfree DNS resolutioncloud DNS resolutionDNS hijacking protectionSSL certificateswebsite hijacking detectiondowntime monitoring
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
JavaScriptCSS3HTML5Swiper.jsBaidu AnalyticsTencent Qidian chatVeriSign DNS
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
75/100
Best Practices:
  • HTTPS enforced
  • Use of SSL certificates
  • No exposed sensitive data in HTML

Analytics & Tracking

Services:
Baidu Analytics
Tracking Level:moderate
Privacy Compliance:poor

Advertising & Marketing

Tracking Pixels:
Baidu Analytics
Marketing Tools:
Tencent Qidian chat
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 accessible and not blocked by WAF

🛡️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

50/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

GDPR Compliance Analysis

Privacy Policy0% 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

📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

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 include:spf.mail.qq.com ~all
DNS Lookups:1/10
Policy:~all

🏆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

9 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

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 Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

No DMARC Record

MEDIUM

DMARC policy not configured

Domain Registration Details

Domain Age
23 years(mature)
Expiry Risk
low(191 days)
Protection Level
basicDNSSEC OFF

DNS Records

A Records:211.99.99.89
Name Servers:
m1.51dns.com
m2.51dns.com
MX Records:
5: mxbiz1.qq.com
10: mxbiz2.qq.com

DNSSEC Status

DNSSEC Not Enabled

SPF Analysis

SPF Record:
v=spf1 include:spf.mail.qq.com ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website uses a modern tech stack with HTML5, CSS3, and JavaScript, including libraries like Swiper.js for UI components. It integrates Baidu Analytics for user tracking and Tencent Qidian for customer communication. The site is mobile optimized and has good SEO metadata. Hosting provider details are not explicitly found. Performance is moderate with room for optimization. No CMS detected, suggesting a custom or proprietary platform. Technical debt indicators are minimal based on available data, but the absence of security headers and privacy compliance features indicates areas for modernization. Overall, the infrastructure supports the business needs but can be improved for security and compliance.
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