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DNS Tool
Executive's DNS Intelligence Brief
Generated 12 Feb 2026, 17:33 UTC
Duration 27.9s
Version v26.12.28
Integrity 47c4933bc36e71e5b8c1f80d1409c2bb4cf4c50fb95a0c7fbd3b9561ceebc78e1ce5df6f8fc621cf44f77e8c9b9dc4ee477d6eb9e1a44753847767fafc042222
Subject Domain
dnsstuff.com

Executive's DNS Intelligence Brief

Board-level domain security assessment — dnsstuff.com

12 Feb 2026, 17:33 UTC · 27.9s · SHA-3-512: 47c4✱✱✱✱ Verify
Engineer
DNS Security & Trust Posture
Risk Level: Low Risk
4 protocols configured, 3 not configured
1 recommendation
Email Spoofing
Protected
Brand Impersonation
Not Set Up
DNS Tampering
Protected
Certificate Control
Open
What Requires Attention
Recommended DMARC external reporting to solarwinds.com is not authorized (RFC 7489 §7.1)
The BIG Questions
Can this domain be impersonated by email? Not Assessed
Can DNS itself be tampered with? Not Assessed
Can this brand be convincingly faked? Not Assessed
Is mail transport encryption enforced? Not Assessed
Is certificate issuance controlled? Not Assessed
Domain Overview
Registrar Key-Systems GmbH
Email Provider Microsoft 365
Web Hosting Microsoft Azure (CDN)
DNS Hosting Akamai Edge DNS

Technical Findings

Email Authentication
SPF (Sender Policy) Configured
DMARC (Policy) Configured Policy: reject
DKIM (Signatures) Configured
Mail Posture Email: Enforced
Mail Transport Security
MTA-STS Partial
DANE / TLSA Hosted Provider DANE not available — Microsoft 365 does not support inbound DANE/TLSA on its MX infrastructure
TLS-RPT (Reporting) Not Configured
Mail Transport Not Enforced Policy-assessed
DNS Security
DNSSEC Signed & Validated
DNSSEC fully configured and validated — AD (Authenticated Data) flag set by resolver 8.8.8.8 confirming cryptographic chain of trust from root to zone (RFC 4035 §3.2.3)
NS Delegation Healthy
Brand & Certificate Controls
BIMI (Brand Logo) Not Configured
CAA (Certificate) Open Any certificate authority may issue certificates
Priority Actions 4 total Achievable: Low Risk
Medium Deploy MTA-STS policy

Publish an MTA-STS DNS record and host a policy file at https://mta-sts.dnsstuff.com/.well-known/mta-sts.txt. This tells senders to require TLS when delivering mail to your domain.

_mta-sts.dnsstuff.com TXT "v=STSv1; id=20240101"
Low Add CAA records

Publish CAA DNS records to restrict which Certificate Authorities can issue TLS certificates for your domain. Specify your preferred CA (e.g., letsencrypt.org, digicert.com). CAA is advisory — CAs must check it before issuing, but absence means any CA can issue.

dnsstuff.com CAA 0 issue "letsencrypt.org"
Low Configure TLS-RPT reporting

TLS-RPT (TLS Reporting) sends you reports about TLS connection failures when other servers try to deliver mail to your domain. Helps diagnose MTA-STS and STARTTLS issues.

_smtp._tls.dnsstuff.com TXT "v=TLSRPTv1; rua=mailto:tls-reports@dnsstuff.com"
Low Configure BIMI brand logo

Publish a BIMI DNS record pointing to your brand logo (SVG Tiny PS format). For full support in Gmail, you will also need a Verified Mark Certificate (VMC).

default._bimi.dnsstuff.com TXT "v=BIMI1; l=https://dnsstuff.com/logo.svg"
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

Verify Report Integrity SHA-3-512 Has this report been tampered with? Verify below

Tamper-evident fingerprint binding this analysis to its data, domain, timestamp, and tool version.

47c4933bc36e71e5b8c1f80d1409c2bb4cf4c50fb95a0c7fbd3b9561ceebc78e1ce5df6f8fc621cf44f77e8c9b9dc4ee477d6eb9e1a44753847767fafc042222
12 RFCs evaluated · DNS state at 12 Feb 2026, 17:33 UTC