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Is guamtax.com a Scam? Security Check Results - Guam Department of Revenue and Taxation

guamtax.com Security Report Summary

guamtax.com received a security score of 60 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Guam Department of Revenue and Taxation's website security posture. Guam Department of Revenue and Taxation operates in the Government industry in Guam.

GuamTax.com serves as the official online portal for the Guam Department of Revenue and Taxation, providing a comprehensive suite of tax-related services including business and individual e-filing, online payments, public notices, and regulatory information. The site targets residents and businesses in Guam, positioning itself as the authoritative government resource for tax compliance and revenue collection. Key services include business privilege tax returns, real property tax inquiries, vehicle registration, and passport office information. Technically, the website employs standard web technologies such as JavaScript, Google Tag Manager for analytics, and Google Fonts for typography. The site demonstrates moderate performance and basic mobile optimization, with a structured navigation system and consistent branding. However, there is room for improvement in accessibility and SEO optimization. The absence of a detected CMS or hosting provider details suggests a custom or government-managed infrastructure. From a security perspective, the site uses HTTPS and secure login forms but lacks visible security headers such as Content-Security-Policy or Strict-Transport-Security in the provided data. No critical vulnerabilities or exposed sensitive data were detected. Privacy compliance is basic, with a privacy policy present but no cookie consent mechanism or GDPR indicators. The WHOIS data is notably missing, raising concerns about domain registration legitimacy, although the official government branding and content strongly indicate authenticity. Overall, GuamTax.com is a functional and trustworthy government website with solid content and service offerings. Strategic improvements in security headers, privacy compliance, and WHOIS transparency would enhance trust and security posture, supporting the site's critical role in Guam's tax administration.

The security scan identified 31 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: JavaScript, Google Tag Manager, HTML5, CSS3, Google Fonts.

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 guamtax.com Safe? Security Analysis for Guam Department of Revenue and Taxation

https://guamtax.com

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

GovernmentGuammedium
JavaScriptGoogle Tag ManagerHTML5CSS3Google Fonts
Analyzed 7/29/2025Completed 2:21:53 AM8mo ago
60
Security Score
MEDIUM RISK

Below Government avg (70)

10,000+

Domains scanned

500+

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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

GuamTax.com serves as the official online portal for the Guam Department of Revenue and Taxation, providing a comprehensive suite of tax-related services including business and individual e-filing, online payments, public notices, and regulatory information. The site targets residents and businesses in Guam, positioning itself as the authoritative government resource for tax compliance and revenue collection. Key services include business privilege tax returns, real property tax inquiries, vehicle registration, and passport office information. Technically, the website employs standard web technologies such as JavaScript, Google Tag Manager for analytics, and Google Fonts for typography. The site demonstrates moderate performance and basic mobile optimization, with a structured navigation system and consistent branding. However, there is room for improvement in accessibility and SEO optimization. The absence of a detected CMS or hosting provider details suggests a custom or government-managed infrastructure. From a security perspective, the site uses HTTPS and secure login forms but lacks visible security headers such as Content-Security-Policy or Strict-Transport-Security in the provided data. No critical vulnerabilities or exposed sensitive data were detected. Privacy compliance is basic, with a privacy policy present but no cookie consent mechanism or GDPR indicators. The WHOIS data is notably missing, raising concerns about domain registration legitimacy, although the official government branding and content strongly indicate authenticity. Overall, GuamTax.com is a functional and trustworthy government website with solid content and service offerings. Strategic improvements in security headers, privacy compliance, and WHOIS transparency would enhance trust and security posture, supporting the site's critical role in Guam's tax administration.

Detected Technologies

JavaScriptGoogle Tag ManagerHTML5CSS3Google Fonts

10 urgent findings need attention

1 critical · 9 high

  • + 2 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

3 findings

58/100

NIS2 Compliance

8 findings

17/100

Email Security

5 findings

60/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

GuamTax.com operates as a government service portal, delivering essential tax and revenue services to Guam's residents and businesses. Its market position as the official tax authority website provides a competitive advantage in trust and authority. The business model focuses on regulatory compliance facilitation, e-filing, and payment processing, with revenue streams likely derived from government funding rather than commercial sales. The target customer segments include individual taxpayers, business entities, and regulatory bodies. Growth indicators include ongoing updates to tax forms, public notices, and expanded online services. The partnership ecosystem includes related government domains handling payments and individual services, reflecting a cohesive government digital infrastructure. Operationally, the site supports transparency and accessibility of tax information, contributing to effective tax administration in Guam.

Extracted Contact Information

Marketing Intelligence Data

Security Posture Analysis

Comprehensive Security Assessment

The security maturity level of GuamTax.com is moderate. The site enforces HTTPS and secure login mechanisms, which are fundamental for protecting user data. However, the lack of visible security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security reduces defense-in-depth capabilities. No exposed sensitive data or vulnerable libraries were identified, indicating good baseline hygiene. The absence of explicit incident response contacts or security policies suggests limited public-facing security governance documentation. Privacy compliance is minimal, with no cookie consent or GDPR compliance indicators, which could pose regulatory risks. Overall, while the site is functional and secure for general use, enhancing security headers, privacy mechanisms, and incident response transparency would significantly improve its security posture.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, X-XSS-Protection, and Strict-Transport-Security to strengthen browser security.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Guam Department of Revenue and Taxation

Description:

Official website providing tax-related services, information, and resources for Guam residents and businesses, including e-filing, payments, public notices, and regulatory information.

Key Services:
Business and individual tax e-filingOnline paymentsPublic notices and updatesVehicle registration and inspection servicesReal estate licensing and directoriesPassport office information
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
JavaScriptGoogle Tag ManagerHTML5CSS3Google Fonts
Performance:

moderate

Mobile:

basic

Accessibility:

basic

SEO:

basic

Security Assessment

Security Score:
65/100
Best Practices:
  • Use of HTTPS (implied by URL)
  • Secure login form with POST method
  • No exposed sensitive data in HTML

Analytics & Tracking

Services:
Google Tag Manager
Tracking Level:minimal
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

Official government tax and revenue website for Guam

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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

58/100
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

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

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

60/100
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

No email authentication configured

CRITICAL

Domain is vulnerable to email spoofing

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

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

85/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 66 days

Mixed Content Detected

MEDIUM

7 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:guamtax.com
Issuer:DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid Until:10/3/2025 (66 days)
SANs:guamtax.com, www.guamtax.com

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

75/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

No DMARC Record

MEDIUM

DMARC policy not configured

DNS Records

A Records:202.151.87.201
Name Servers:
ns1.dmrguam.comDNS only
ns2.dmrguam.comDNS only
ns3.dmrguam.comDNS only
MX Records:
1: orion.dmrguam.com
SOA:Serial: 2024073101, TTL: 3600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:322ms

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 guamtax.com compare?

See how guamtax.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

The website is built using standard web technologies including HTML, CSS, and JavaScript, with Google Tag Manager integrated for analytics. The use of Google Fonts enhances typography. The site lacks a detectable CMS, suggesting a custom or government-managed platform. Performance is moderate with basic mobile optimization and accessibility. Navigation is clear and consistent, supporting good user experience. However, the absence of modern security headers and cookie consent mechanisms indicates technical debt in security and privacy compliance. There is an opportunity to modernize the tech stack by adopting security best practices, improving SEO, and enhancing mobile and accessibility standards to reduce operational risks and improve service delivery.
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PDF Report & Export

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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

Domainguamtax.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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