OSIC FTSE 100 & S&P 500 OSINT baseline

← All companies

Diageo Professional & Scientific Services

FTSE 100 constituent (DGE)

Overview

Diageo operates in the Professional & Scientific Services sector, with diageo.com as its primary domain and 11 subdomains on record, including virtualconnect.diageo.com, www.diageoindia.com and www.diageoturkiye.com. A crawl of www.diageo.com fetched 200 pages, observing 92,827 internal links against 129 external links. Six related domains were identified: diageoindia.com, diageoturkiye.com and diageo-one.com carry crawl data (200, 200 and 2 pages); diageobaracademy.com, diageoregistrars.com and diageosuppliers.com do not. Hosting is recorded under ASN 13335, CLOUDFLARENET - Cloudflare, Inc., US. TLS is issued by Corporation Service Company, HSTS is enabled, a content-security-policy is present, and DMARC policy is set to reject. The domain is registered through CSC Corporate Domains, Inc. since 1997-09-30, expiring 2026-09-29. Companies House lists company number 00023307 as active, incorporated 1886-10-21, SIC code 70100 - Activities of head offices, with zero persons with significant control on file.

Generated from the data on this page and independently fact-checked against it.

Web presence

Primary domain: diageo.com. 25 subdomains observed via Certificate Transparency and direct crawl.

200 pages fetched from www.diageo.com on 2026-08-26 — 92827 internal links observed, 65869847 bytes. Page title: “Discover Diageo | Diageo”

TLS issued by Corporation Service Company, valid 2026-05-06 – 2026-11-20. Certificate also covers: diageo.com. — HSTS enabled, CSP present, X-Frame-Options: SAMEORIGIN.

Links out to 129 external domains (from the crawled site, most recent pass), top 50 shown: 4t2sensors.com, 55redefined.co, aquacycl.com, assettraceplusclaims.cm.mpms.mufg.com, blogs.worldbank.org, bulleit.com, businessdisabilityforum.org.uk, businessfightspoverty.org, ceowatermandate.org, depositaryreceipts.citi.com, diageo.wd3.myworkdayjobs.com, diageo.willhire.co, disabilityin.org, drinkiq.com, drinkwise.org.au, esdp-org.eu, eu.mpms.mufg.com, event.unitar.org, event.webcasts.com, fertilitymattersatwork.com, ftsewomenleaders.com, legal.diageo.com, link.springer.com, open.spotify.com, outbritain.co.uk, player.vimeo.com, resourceequity.org, saiplatform.org, sdgs.un.org, secure.ethicspoint.com, sharedeal.cm.mpms.mufg.com, staticcontents.investis.com, staticcontents.investisdigital.com, twitter.com, unfccc.int, weconnectinternational.org, wfanet.org, wrongside.drinkiq.com, ww2.linkgroup.eu, www.21seeds.com, www.3ds.com, www.abrabe.org.br, www.actionfraud.police.uk, www.alcoholinformate.org.mx, www.alcoholysociedad.org, www.apitsd.com, www.aprocor.cl, www.ara.co.za, www.ardaghgroup.com, www.astraltequila.com — and 79 more

HostnameSourceFirst seen
www.diageoprivacycentre.commanual2026-08-28
www.diageoindia.commanual2026-08-27
www.diageoturkiye.commanual2026-08-27
www.diageo-one.commanual2026-08-27
www.finalyzer.diageo.comcertificate_transparency2026-08-26
finalyzer.diageo.comcertificate_transparency2026-08-26
www.diageo.commanual2026-08-26
ie.uat.diageo-one.comcertificate_transparency2026-08-26
nl.qa.diageo-one.comcertificate_transparency2026-08-26
de.uat.diageo-one.comcertificate_transparency2026-08-25
virtualconnect.diageo.comcertificate_transparency2026-08-24
diageoturkiye.comcertificate_transparency2026-08-23
*.diageoturkiye.comcertificate_transparency2026-08-23
www.bat01v01.diageo.comcertificate_transparency2026-08-21
bat01v01.diageo.comcertificate_transparency2026-08-21
launchpad-dev.sap.diageo.comcertificate_transparency2026-08-21
link.diageoturkiye.comcertificate_transparency2026-08-20
kokpit.link.diageoturkiye.comcertificate_transparency2026-08-19
gps-dev.diageo.comcertificate_transparency2026-08-19
websiterequest.diageo.comcertificate_transparency2026-08-17
sra.diageo.comcertificate_transparency2026-08-17
gb.uat.diageo-one.comcertificate_transparency2026-08-17
qa.diageo-one.comcertificate_transparency2026-08-17
www.diageoregistrars.comcertificate_transparency2026-08-16
ni.uat.diageo-one.comcertificate_transparency2026-08-16

Related domains

Sister brands, subsidiaries and other domains also traced to this organisation — found among its own site's external links, and independently crawled the same way as the primary domain above. Some turn out bigger than the primary site itself.

DomainStatusPages crawledExternal linksRegistrarNameservers
diageobaracademy.com candidate — — CSC Corporate Domains, Inc. udns1.cscdns.net, udns2.cscdns.uk
diageoindia.com candidate 200 49 CSC Corporate Domains, Inc. ns.domainnetwork.se, ns2.domainnetwork.se
diageo-one.com candidate 2 0 CSC Corporate Domains, Inc. dns1.cscdns.net, dns2.cscdns.net
diageoprivacycentre.com candidate 200 23 CSC Corporate Domains, Inc. dns1.cscdns.net, dns2.cscdns.net
diageoregistrars.com candidate — — CSC Corporate Domains, Inc. udns1.cscdns.net, udns2.cscdns.uk
diageospeakup.com candidate — — CSC Corporate Domains, Inc. ns.domainnetwork.se, ns2.domainnetwork.se
diageosuppliers.com candidate — — CSC Corporate Domains, Inc. dns1.cscdns.net, dns2.cscdns.net
diageoturkiye.com candidate 200 39 CSC Corporate Domains, Inc. delilah.ns.cloudflare.com, will.ns.cloudflare.com

Infrastructure

Hosted on: AS13335 CLOUDFLARENET - Cloudflare, Inc., US (SE)

Mail: diageo-com.mail.protection.outlook.com. SPF present. DMARC policy: reject. Nameservers: udns1.cscdns.net, udns2.cscdns.uk.

Registered via CSC Corporate Domains, Inc.. Registered 1997-09-30. Expires 2026-09-29.

Digital sovereignty

0/5 — categories confirmed not tied to a US-controlled company, out of DNS, registrar, TLS certificate, host and mail. Ultimate ownership, not the jurisdiction of the specific entity observed: a subsidiary like Google Ireland still counts as American. See the full cross-index comparison.

US DNS · US Registrar · US TLS certificate · US Primary host · US Inbound mail

DNS: CSC Corporate Domains. Registrar: CSC Corporate Domains. TLS certificate: CSC / Corporation Service Company. Primary host: Cloudflare, Inc.. Inbound mail: Microsoft 365.

Vendor footprint

Third-party vendors identified from this company's own published DNS — apex TXT domain-verification tokens and SPF include: mechanisms. See the full vendor footprint comparison.

1Password Adobe Airtable Apple Business Manager Atlassian (Jira / Confluence) Brevo (Sendinblue) Canva DocuSign Dynatrace Google (Workspace / Search Console) IBM Klaviyo Mailjet Meta Business Microsoft 365 MongoDB Atlas OneTrust OpenAI Palo Alto Networks Proofpoint Shopify Workplace from Meta

Corporate record

Company number 00023307, Active, incorporated 1886-10-21. SIC: 70100 - Activities of head offices. Registered office: 16 GREAT MARLBOROUGH STREET, LONDON, W1F 7HS. Last confirmation statement: 2026-06-30. Last accounts made up: 2025-06-30.

Persons with significant control (from the public register; month/year of birth only, matching Companies House's own disclosure limit):

Public engineering footprint

No public GitHub organisation identified.