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reso.fr

fair · Cyber Exposure Score · Technology

Monitored since 8 Oct 2026 · last checked 25 Oct 2026

65
Email auth
60
DNS
95
TLS
100
Exposure
60
Breach history

The Cyber Exposure Score is a published 0–100 formula built only from publicly observable signals. How this is calculated.

This domain scores better than 59% of the 353 Technology organisations we track (cohort median 79). The sample is seeded from public incident data, not a random cross-section of the sector.

Posture summary

Email authentication

SPF ✓ ~all DMARC none DKIM ✓ · Microsoft 365 DNSSEC ✗ subdomains sp=none

DNS hygiene

2 nameservers · OVH single DNS provider CAA ✗ IPv6 ✗

Web & transport hygiene

HTTPS redirect ✓ HSTS ✗ CSP ✗ security.txt ✗

TLS / certificate

TLS TLSv1.3 46d to expiry

Internet exposure

3 open ports 0 KEV

Breach metadata

0 public breaches on dragonforce leak site

Domain & hosting

1 public hostnames registered 1999 AS12876 · Online SAS no blocklist hits

Also analysed: www.reso.fr

reso.fr and www.reso.fr each answer on their own, so both are covered. The domain-level findings above apply to both; these are www.reso.fr's own website checks.

score 81/100 · fair TLS TLSv1.3 46d to expiry HTTPS redirect ✓ HSTS ✗ CSP ✗ 3 open ports 0 KEV

Ransomware leak-site listings (1)

This domain is named on the public leak site of a ransomware group. A leak-site post is a claim published by the group — not a verified fact, and not a statement by this organization. Groups list victims who did not pay, overstate what they hold, and occasionally name the wrong company. What is certain is that the listing itself is public.

GroupListedSector
dragonforce 2026-10-07 Technology

Leak-site postings are collected here from 2026-07-30 onwards; an earlier listing would not appear above.

Source: Ransomware.live

Public attack surface (1 hostnames in Certificate Transparency)

Hostnames this organization published in public TLS certificates. Passive OSINT — nothing was scanned; a wildcard certificate is in use, so the real footprint may be larger.

The hostname inventory — which forgotten hosts exist and where — is part of the complete audit for this domain.

Lookalike domains (30 registered of 74 checked, 5 serving no website)

Registered permutations of this domain. Existence is a fact, not an accusation — ownership and intent are not assessed. Those able to receive mail are the ones usable for invoice fraud and phishing. The Risk score (0–100) is a published formula weighing mail capability, registration age, spelling, what the homepage shows and phishing-feed hits, reduced when a name looks brand-owned (same registrar/nameservers, a redirect to this domain) or merely parked. How this is calculated.

DomainTypeMail-capableRegisteredRisk
resoo.fr repetition yes 2026-05-06 (172d) 66 high
reso.shop tld yes 2026-03-20 (219d) 66 high
resp.fr keyboard yes 2015-12-10 (3972d) 66 high

27 further registered lookalike(s), 26 of them able to receive mail. The full list, with mail capability for each, is part of the complete audit.

Recommendations

Sources: Ransomware.live · Have I Been Pwned (CC BY 4.0) · Shodan InternetDB · CISA KEV catalog · NVD · FIRST EPSS · CVSS-BT

This product uses the NVD API but is not endorsed or certified by the NVD.

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All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.