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Recon Report

mta-sts.purpleflock.net
10 Mar 2026, 14:12 UTC · 5.1s ·v26.35.35
Target Assessment
Target Hardness: Hardened
6 defensive layers | 3 attack surface gaps
ANALYSIS CONFIDENCE MODERATE 67/100
ACC:58% CUR:78 MAT:verified
Email Spoofability Can you spoof email from this domain? No null MX indicates no-mail domain
> analyzing sender authorization policy...
SPF — Sender Policy Framework
SPF is configured — sender authorization restricts spoofing
RFC 7208 — Sender Policy Framework

SPF allows domain owners to specify which mail servers are authorized to send email on behalf of their domain. Without SPF, any server can forge the envelope sender.

> enumerating cryptographic selectors...
DKIM — DomainKeys Identified Mail
DKIM selectors reveal mail infrastructure — signatures found
RFC 6376 — DomainKeys Identified Mail

DKIM provides cryptographic authentication of email messages. Selector names often reveal email providers (e.g., google, selector1 = Microsoft 365).

> evaluating enforcement policy...
DMARC — Domain-based Message Authentication
DMARC p=reject — hard enforcement. Spoofing will be rejected.
RFC 7489 — DMARC

DMARC ties SPF and DKIM together with a policy that tells receiving servers what to do with unauthenticated mail. p=none is monitoring only — attackers love it.

Transport Security Can you intercept email in transit? Partially TLS reporting is configured but no transport enforcement policy is active
> probing certificate pinning via DNSSEC chain...
DANE / TLSA
No DANE — TLS is opportunistic and can be downgraded
MTA-STS
MTA-STS not enforced — STARTTLS stripping possible
TLS-RPT
TLS-RPT configured — TLS failures are reported to the domain owner
RFC 8460 — SMTP TLS Reporting

TLS-RPT enables reporting of TLS negotiation failures. Without it, STARTTLS downgrade attacks leave no trace.

Brand & Certificate Security Can you fake this brand's identity? Possible DMARC reject policy blocks email spoofing (RFC 7489 §6.3) and CAA restricts certificate issuance (RFC 8659 §4), but no BIMI brand verification — lookalike domains display identically in inboxes without visual proof of authenticity
BIMI
No BIMI — no verified brand logo in email clients. Visual impersonation is easy.
CAA — Certificate Authority Authorization
CAA restricts certificate issuance to authorized CAs. Attacker must compromise an approved CA or exploit issuance delay windows.
0 iodef "mailto:sslreport@sportcommunities.group"
RFC 8659 — CAA

CAA records specify which Certificate Authorities are authorized to issue certificates. Without CAA, an attacker could obtain a valid cert from any CA.

DNS Infrastructure Can you poison the DNS? No DNSSEC signed and validated, cryptographic chain of trust verified
> validating cryptographic chain of trust...
DNSSEC
No DNSSEC — DNS responses can be spoofed or poisoned
RFC 4033–4035 — DNSSEC

DNSSEC adds cryptographic signatures to DNS responses, preventing cache poisoning and response forgery. Without DNSSEC, an attacker can forge DNS answers.

NS Delegation
0 nameservers detected — single point of failure
Attack Surface Discovery What can you find from the outside?
Subdomain Discovery (Multi-Source)
0 subdomains discovered via CT logs + DNS probing + Nmap SAN extraction
SaaS Services (TXT Record Discovery)
No SaaS verification records found
Secret Exposure
No exposed secrets detected in common paths
Intelligence Metadata Can you verify this independently?
SHA-3-512 Integrity Hash
80a285539d806c18a94e6293031a8d55cd19d3bd70b64139c7313196f3325ca25f8f613a2c34ee00004a7381fb463c25df647e29f9c5d22fb6bcc81a36df97dd
RFC References
12
Tool Version
v26.35.35
Posture Hash
be05d700de4197eb…
Verification Commands — Independently verify every finding