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Executive's DNS Intelligence Brief

Board-level domain security assessment — www.mercadopago.com

14 Feb 2026, 18:47 UTC · 7.7s · SHA-3-512: 2b1b✱✱✱✱ Verify
DNS Security & Trust Posture
Risk Level: Medium Risk
5 protocols configured, 4 not configured
1 recommendation
Email Spoofing
Vulnerable
Brand Impersonation
Not Set Up
DNS Tampering
Protected
Certificate Control
Configured
What Requires Attention
Recommended Enable DMARC aggregate reporting (rua) for authentication visibility
The BIG Questions
Can this domain be impersonated by email? Uncertain incomplete configuration
Can DNS itself be tampered with? No
Can this brand be convincingly faked? Likely
Is mail transport encryption enforced? Not Assessed
Is certificate issuance controlled? Yes
Does this domain publish AI agent instructions? No No llms.txt file detected — AI models have no structured instructions for this domain
Is AI crawling of our content controlled? No No robots.txt found — AI crawlers have unrestricted access
Has someone manipulated AI recommendations about us? No No indicators of AI recommendation manipulation found
Are there hidden AI prompts on our site? No No hidden prompt artifacts found in page source
Domain Overview
Registrar MarkMonitor Inc.
Email Provider Unknown
Web Hosting AWS CloudFront
DNS Hosting Amazon Route 53

Technical Findings

Email Authentication
Can this domain be impersonated by email? Uncertain — incomplete configuration
SPF (Sender Policy) Partial
DMARC (Policy) Partial
DKIM (Signatures) Not Detected
Mail Posture Not determined
Mail Transport Security
MTA-STS Partial
DANE / TLSA Hosted Provider No DANE/TLSA records found (checked 1 MX host)
TLS-RPT (Reporting) Not Configured
Mail Transport Not Enforced Policy-assessed
DNS Security
Can DNS itself be tampered with? No
DNSSEC Signed & Validated
DNSSEC configured (DNSKEY + DS records present) but AD flag not set — resolver did not confirm chain of trust validation (RFC 4035 §3.2.3). This may indicate a broken chain or a non-validating resolver path.
NS Delegation Issues Detected
Brand & Certificate Controls
Can this brand be convincingly faked? Likely
Is certificate issuance controlled? Yes
BIMI (Brand Logo) Not Configured
CAA (Certificate) Configured
AI Surface Scanner Scanned
Does this domain publish AI agent instructions? No — No llms.txt file detected — AI models have no structured instructions for this domain
Is AI crawling of our content controlled? No — No robots.txt found — AI crawlers have unrestricted access
Has someone manipulated AI recommendations about us? No — No indicators of AI recommendation manipulation found
Are there hidden AI prompts on our site? No — No hidden prompt artifacts found in page source
LLM Context File Not Found No llms.txt file detected
AI Crawler Governance No robots.txt
Poisoning Indicators None Found No AI recommendation poisoning indicators detected
Hidden Prompt Artifacts None Found No hidden prompt artifacts detected
Appendix — Additional Resources

Full technical details including raw DNS records, DKIM public keys, IP/ASN mappings, resolver consensus evidence, and verification commands are available in the Engineer's DNS Intelligence Report.

View Engineer's DNS Intelligence Report

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2b1b4742b1fcae05ec02694c907dc7a506ddca576095f444d7300f15be555e908d81634a0909dbdb4f9921041eefb4899e5bece2ca2bda79bac504abaa565dc5
12 RFCs evaluated · DNS state at 14 Feb 2026, 18:47 UTC