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Is tumblr.com a Scam? Security Check Results - Tumblr

tumblr.com Security Report Summary

tumblr.com received a security score of 72 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Tumblr's website security posture. Tumblr operates in the Technology industry in N/a.

Tumblr is a prominent social media and blogging platform that enables users to explore trending topics, share multimedia content, and engage with diverse communities. Owned by Automattic Inc., it holds a significant position in the social media landscape, targeting a broad audience interested in content sharing and community interaction. The platform's business model primarily revolves around advertising and content promotion. Technically, Tumblr employs modern web technologies including JavaScript frameworks, web fonts, and progressive web app features, ensuring a fast, mobile-optimized, and accessible user experience. Security-wise, the site enforces HTTPS, implements GDPR-compliant consent mechanisms, and maintains good security headers, though explicit security policies and incident response contacts are not publicly detailed. Overall, Tumblr presents a high level of professionalism, trustworthiness, and compliance, with no detected blocking or WAF interference.

The security scan identified 22 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: JavaScript, React (implied by modern JS usage), CSS, Web Fonts (WOFF2), Manifest (PWA support), CMP for GDPR compliance.

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 tumblr.com Safe? Security Analysis for Tumblr

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TechnologyN/alarge
JavaScriptReact (implied by modern JS usage)CSSWeb Fonts (WOFF2)Manifest (PWA support)+1 more
Analyzed 10/7/2025Completed 1:05:52 PM6mo ago
72
Security Score
MEDIUM RISK

Above Technology avg (72)

10,000+

Domains scanned

500+

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AI Summary

Tumblr is a prominent social media and blogging platform that enables users to explore trending topics, share multimedia content, and engage with diverse communities. Owned by Automattic Inc., it holds a significant position in the social media landscape, targeting a broad audience interested in content sharing and community interaction. The platform's business model primarily revolves around advertising and content promotion. Technically, Tumblr employs modern web technologies including JavaScript frameworks, web fonts, and progressive web app features, ensuring a fast, mobile-optimized, and accessible user experience. Security-wise, the site enforces HTTPS, implements GDPR-compliant consent mechanisms, and maintains good security headers, though explicit security policies and incident response contacts are not publicly detailed. Overall, Tumblr presents a high level of professionalism, trustworthiness, and compliance, with no detected blocking or WAF interference.

Detected Technologies

JavaScriptReact (implied by modern JS usage)CSSWeb Fonts (WOFF2)Manifest (PWA support)CMP for GDPR compliance

9 urgent findings need attention

9 high

  • + 1 more findings in the full report below
Continuous monitoring

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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

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Security Headers

3 findings

80/100

GDPR Compliance

2 findings

70/100

NIS2 Compliance

9 findings

2/100

Email Security

1 finding

95/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Tumblr operates as a large technology entity within the social media sector, leveraging its extensive user base to deliver advertising services and community engagement. Its competitive advantage lies in its unique blend of blogging and social networking features, appealing to creative and niche communities. Revenue streams are primarily advertising-based, supported by partnerships and content promotion. The platform targets general internet users globally, with a focus on younger demographics interested in multimedia content. Tumblr's ecosystem includes integration with various media hosting domains and advertising networks. Strategic observations highlight the importance of maintaining privacy compliance and enhancing transparency in security and contact information to bolster user trust.

Security Posture Analysis

Comprehensive Security Assessment

Tumblr demonstrates a mature security posture with enforced HTTPS, presence of security headers, and a robust consent management platform aligned with GDPR requirements. No exposed sensitive data or vulnerable libraries were detected in the analyzed content. However, the absence of publicly available security policies, incident response contacts, and vulnerability disclosure programs indicates areas for improvement. The platform's security culture appears strong but could benefit from enhanced transparency and formalized communication channels for security incidents and disclosures. Compliance with privacy regulations is evident, supporting a positive risk profile.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a dedicated security policy page detailing security practices and frameworks.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Tumblr

Description:

Tumblr is a social media platform that allows users to explore trending topics, share multimedia content, and connect with communities.

Key Services:
Content sharingCommunity buildingTrending topics exploration
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
JavaScriptReact (implied by modern JS usage)CSSWeb Fonts (WOFF2)Manifest (PWA support)CMP for GDPR compliance
Frameworks:
React (likely)
Platforms:
Web
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Consent management platform for GDPR
  • No exposed sensitive data in HTML

Analytics & Tracking

Tracking Level:extensive
Privacy Compliance:good

Advertising & Marketing

Ad Networks:
flsrv.net
Tracking Pixels:
flsrv.net
Transparency Level:good

Website Quality Assessment

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

Key Observations

1

Website is fully accessible with rich content

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

80/100
Score

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

70/100
Score

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 Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
emailphone

🛡️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

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

95/100
Score

Complex SPF record

LOW

Too many include statements can cause lookup limits

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.google.com include:_spf.automattic.com include:sendgrid.net include:mail.zendesk.com include:21055259.spf05.hubspotemail.net -all
DNS Lookups:5/10
Policy:-all
DKIM Selectors Found
Selector:google(1296-bit rsa)
DMARC Details
Policy:quarantine
Aggregate Reports:0bqp2jnw@ag.dmarcian.com
Forensic Reports:0bqp2jnw@fr.dmarcian.com
MTA-STS Details

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

57/100
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

Weak SSL Key Length

HIGH

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

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

90/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

Domain Registration Details

Domain Age
19 years(mature)
Expiry Risk
none(403 days)
Protection Level
strongDNSSEC OFF

DNS Records

A Records:192.0.77.40
Name Servers:
ns1.tumblr.com
ns2.tumblr.com
ns3.tumblr.com
ns4.tumblr.com
MX Records:
5: alt1.aspmx.l.google.com
10: aspmx2.googlemail.com
10: aspmx3.googlemail.com
5: alt2.aspmx.l.google.com
1: aspmx.l.google.com
SOA:Serial: 2025100601, TTL: 3600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:25ms

SPF Analysis

SPF Record:
v=spf1 include:_spf.google.com include:_spf.automattic.com include:sendgrid.net include:mail.zendesk.com include:21055259.spf05.hubspotemail.net -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

How does tumblr.com compare?

See how tumblr.com 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

Tumblr's technical infrastructure is modern and well-implemented, utilizing advanced JavaScript frameworks, optimized CSS, and web font technologies to deliver a performant and responsive user experience. The site supports progressive web app features through manifest files and employs a comprehensive consent management platform for privacy compliance. Performance indicators suggest fast loading times and good mobile optimization. No significant technical debt or outdated technologies were observed. Opportunities exist to further document technical and security practices publicly to support transparency and user confidence.
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PDF Report & Export

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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

Domaintumblr.com
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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