DNS Lookup
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Propagation & diagnostics
Compare resolvers worldwide and inspect returned answers.
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Email authentication
Tools to verify and validate your email authentication setup.
Deliverability
Email deliverability audit
Audit MX, SPF, DKIM and DMARC to confirm a domain is ready to send.
Mail header analyzer
Decode participants, authentication results and routing from raw headers.
Email tester
Send a test email and get instant authentication and deliverability feedback.
IP Blacklist Checker
Check if your IP is on email blacklists
Domain Blacklist Checker
Check if your domain is on URI blacklists
SPF Flattener
Flatten SPF records to reduce DNS lookups below the 10-lookup limit.
DKIM Selector Finder
Auto-discover all DKIM selectors for a domain via DNS brute-force.
SMTP/MX Tester
Test SMTP connectivity of your MX servers: banner, STARTTLS, TLS certificate, open relay.
IP tools
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Identify the owner of an IP range and its contacts.
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Calculate network, broadcast and usable hosts for any IPv4 block.
IPv6 subnet calculator
Calculate IPv6 subnets, address ranges and reverse DNS entries.
Text
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Text case converter
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Slug generator
Transform any sentence into an SEO-friendly slug in seconds.
Word & character counter
Measure the length of any text, with instant word and character counts.
Password generator
Generate strong random passwords and memorable passphrases instantly.
Developer
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Base64 encoder / decoder
Encode or decode any content in Base64 without leaving the browser.
Hash Generator
Compute MD5, SHA-1, SHA-256 and SHA-512 hashes of any text.
URL encoder / decoder
Encode or decode text using percent-encoding (RFC 3986) right in your browser.
Regex Tester
Test a regular expression against text and visualize matches.
JSON / YAML Formatter
Format, validate and convert JSON and YAML in one click.
Web & Certificates
BIMI logos, VMC/CSR certificates and web page diagnostics.
BIMI logo lookup
Inspect a BIMI logo URL - format, metadata and live rendering - before rollout.
BIMI SVG converter
Convert any SVG to BIMI-compliant Tiny-PS format in seconds.
CSR parser
Inspect a CSR, extract subject details, fingerprints and requested SANs.
VMC inspector
Inspect a Verified Mark Certificate - issuer, validity and SAN coverage - before you publish BIMI.
Page size checker
Check if your page exceeds Google's 2 MB crawl limit.
Phishing URL Checker
Check if a URL is flagged as phishing or malware by 4 threat intelligence sources.
Weekly audit of email security across 40 companies in the CAC 40.
Euronext Paris · 40 companies analysed · Scan week: 2026-03-02
Average score
54/ 100
DMARC reject
57.5%
BIMI configured
8%
MTA-STS enforce
3%
DNSSEC enabled
25%
54
Average
55
Median
15
Min
73
Max
| Grade | |||
|---|---|---|---|
| 1 | Schneider Electricse.com | 73 | B |
| 2 | BNP Paribasbnpparibas.com | 70 | B |
| 3 | Stellantisstellantis.com | 69 | C |
| 4 | Thalesthalesgroup.com | 68 | C |
| 5 | ArcelorMittalarcelormittal.com | 68 | C |
| 6 | Vivendivivendi.com | 67 | C |
| 7 | Danonedanone.com | 67 | C |
| 8 | Eurofins Scientificeurofins.com | 66 | C |
| 9 | Orangeorange.com | 66 | C |
| 10 | STMicroelectronicsst.com | 59 | C |
| 11 | LVMHlvmh.com | 59 | C |
| 12 | Capgeminicapgemini.com | 59 | C |
| 13 | Hermèshermes.com | 58 | C |
| 14 | Airbusairbus.com | 58 | C |
| 15 | Air Liquideairliquide.com | 57 | C |
| 16 | Michelinmichelin.com | 56 | C |
| 17 | Bureau Veritasbureauveritas.com | 55 | C |
| 18 | Dassault Systèmes3ds.com | 55 | C |
| 19 | Renaultrenaultgroup.com | 55 | C |
| 20 | Saint-Gobainsaint-gobain.com | 55 | C |
| 21 | Unibail-Rodamco-Westfieldurw.com | 55 | C |
| 22 | Sanofisanofi.com | 54 | C |
| 23 | L'Oréalloreal.com | 54 | C |
| 24 | Veoliaveolia.com | 54 | C |
| 25 | TotalEnergiestotalenergies.com | 54 | C |
| 26 | Carrefourcarrefour.com | 51 | C |
| 27 | Bouyguesbouygues.com | 51 | C |
| 28 | EssilorLuxotticaessilorluxottica.com | 49 | D |
| 29 | Engieengie.com | 47 | D |
| 30 | Legrandlegrand.com | 47 | D |
| 31 | Vincivinci.com | 47 | D |
| 32 | Société Généralesocietegenerale.com | 47 | D |
| 33 | Teleperformanceteleperformance.com | 46 | D |
| 34 | Pernod Ricardpernod-ricard.com | 46 | D |
| 35 | Keringkering.com | 44 | D |
| 36 | Publicis Groupepublicisgroupe.com | 42 | D |
| 37 | Crédit Agricolecredit-agricole.com | 40 | D |
| 38 | Alstomalstom.com | 39 | D |
| 39 | AXAaxa.com | 38 | D |
| 40 | Safransafran-group.com | 15 | F |
A stock index groups the largest companies in a market. Analyzing their email security provides a representative snapshot of how a country's or region's corporate sector protects against email-based threats.
What this page shows:
Each company is evaluated on:
-all (hard fail)?quarantine or reject?Q: How are companies scored?
A: Each domain is analyzed for email authentication standards and awarded up to 100 points across three pillars.
Q: What does the grade distribution show?
A: The spread of scores from A+ to F, indicating overall index maturity.
Q: Can I compare indices?
A: Yes, via the Statistics page.
| Page | Purpose |
|---|---|
| Observatory Dashboard | Overall overview with key metrics |
| Statistics | Cross-index and cross-sector comparison |
| Email Domain Check | Audit your own domain |