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Tools ·

Companies using dub

As of 4 November 2026, 3,172 companies carry dub on their website or in their DNS records; none names it in job postings yet.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Largest market
United States · 1,948 companies
Companies with 51+ staff
96 · 3% of the footprint
Top industry
Technology & software · 27%
Team that names it most
–
Hiring on it, last 30 days
0 companies
Most often alongside
–
3,172companies show dub, all sources
3,172on their website or in DNS records
0name it in their own job postings
0postings naming dub, last 90 days
02Two ways we see a tool

Where dub shows up

Each population is counted on its own. We never add them up without saying so, because they answer different questions.

Website and DNS footprint3,172

Companies whose own pages load dub's scripts or embeds, or whose domain's mail and hosting records (SPF, DKIM, MX, CNAME) point at dub. From our crawl of 41.5M company websites and the DNS sweep behind it. Reach: the tool is in the building.

Job postings0

Companies whose own postings say the team works in dub. Read hourly from ~70 applicant tracking systems, with the function, a quote and a date. Intent: the team that runs it is hiring.

Both0

Companies in the footprint whose postings also name dub. The rest of the posting population (0) runs dub without a public trace on the site or in DNS, which is where job data earns its place.

03Who uses it

Companies on dub

No company names dub in its job postings with enough confidence to list yet; the companies below carry it on their website or in DNS.

Seen through the website or DNS only

Companies with 1,000+ employees whose website or DNS carries dub but whose postings never name it: the part of the market job data alone misses.

3,172 companies show dub; 4 of them have over 1,000 employees.

Filter by country, size, team and source, open verified e-mails for the decision makers, or push new matches to your CRM every week.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

04Footprint breakdown

By country, company size and industry

The 3,172 companies with dub on their website or in DNS. Click a country for its own page where we have one.

By country
companiesshare
United States
1,94861%
United Kingdom
1876%
France
1053%
Germany
963%
Brazil
682%
Spain
672%
India
622%
Canada
612%
Australia
552%
Netherlands
281%
Poland
241%
Italy
221%
By company size
companiesshare
Self-employed
2,18169%
2-10 employees
46615%
11-50 employees
2889%
51-200 employees
742%
201-500 employees
140%
501-1000 employees
30%
1001-5000 employees
30%
5001-10000 employees
20%
By industry
companiesshare
Technology & software
86627%
Business & finance services
79125%
Media & content
78125%
Consumer services & leisure
2949%
Property & construction
732%
Commerce & trade
532%
Manufacturing & industry
532%
Public, community & associations
371%
Health care
341%
Hospitality & travel
251%
Transport, logistics & rental
100%
Automotive
90%
05What their DNS and pages also say

The mail, hosting and web stack of dub companies

Other tools found on the same companies' websites or in their DNS records. Mail providers and senders come from SPF, DKIM and MX; the rest from page code.

Cloudflare1,413 companies · 45%
Google Workspace1,243 companies · 39%
Vercel703 companies · 22%Resend409 companies · 13%
Microsoft 365408 companies · 13%
SendGrid257 companies · 8%Brevo239 companies · 8%
facebook_pixel238 companies · 8%
zoho_mail223 companies · 7%
OpenAI213 companies · 7%
cloudflare_email_routing207 companies · 7%
meta199 companies · 6%Stripe176 companies · 6%
microsoft_teams163 companies · 5%
Mailchimp155 companies · 5%apple151 companies · 5%
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

3,172 companies carry dub on their website or in their DNS records; no company names it in its job postings yet. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/dub)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Website codeScripts, tags and embeds found on the company's own pages in our crawl of 41.5M sites. A tool counts once per company.
  • DNS recordsSPF includes, DKIM selectors, MX and CNAME records of the company's domain that point at dub or another vendor. Swept in cycles; dedicated mail-provider and hosting facets open once coverage passes 80% per country.
  • Job postingsRead hourly from the applicant tracking systems behind company career sites. A tool counts when the employer's own text names it as the team's system; candidate wish-lists and apply boilerplate are excluded. Confidence low, medium or high per company.
  • Sending infrastructureCold-e-mail sending domains are look-alike domains on a provider's infrastructure (DNS records, certificate logs) that redirect to the company. Absence is not evidence: only companies with a found sending domain are counted.
  • CompaniesCountry, size and industry come from the company profile we build from its website; headcount from LinkedIn where known, otherwise estimated. Job boards, portals and aggregators are kept out of lists.
FAQ

dub data: questions

How many companies use dub?

3,172 as of 4 November 2026: 3,172 carry dub on their website or in their DNS records and 0 name it in their own job postings; 0 show up in both. We keep the two counts apart because they measure different things.

What does "website or DNS" mean?

Our crawler finds dub's scripts, embeds and tags on the company's own pages, and our DNS sweep reads the domain's mail and hosting records (SPF includes, DKIM selectors, MX, CNAMEs) that point at dub. Either one puts the company in the footprint. The sweep is still running, so this number grows week by week.

Why is the job-posting number so much smaller?

A posting only names a tool when the team that will use it is hiring and chooses to say so. That makes it a smaller but stronger signal: it tells you which team runs dub, with a quote and a date. The footprint tells you reach.

How fresh is this?

Career sites are read hourly, websites are re-crawled on a rolling schedule and DNS is re-swept in cycles. The date at the top is when these counts were computed.

Can I get the list?

Yes. The first 20 are on this page; the full 3,172 with verified e-mails and a weekly feed of new dub users is in the product. Counting is free.

Companies and people

Get this list your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on dub,
with the person who owns it

Connect the MCP server or the API, filter on dub. Start free, no card.

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