Websites using Postmark DMARC

MX & Email Hosting Services DMARC Reporting Visit website

Postmark DMARC is a free tool for monitoring DMARC alignment and preventing email spoofing. It provides weekly email summaries of DMARC reports from major ISPs and offers visibility into email sources associated with a domain.

Download all 135K sites

Download a free sample of the Postmark DMARC websites list

Real rows from the list on this page. The file arrives by email.

250 rows
17 columns
CSV

Every column in the file

Popularity Rank
Domain
Company Name
Company Size
Year Founded
Industry
LinkedIn URL
Locality
Country
TLD
Language
Instagram
Twitter
YouTube
TikTok
Technologies Tracked
Premium Technologies

Column headings inside the file are written in English. Not every column is filled for every website.

A look at the file

Domain	Company Name	Technologies Tracked	Premium Technologies
tinyurl.com	Tinyurl	26	3
springer.com	-	44	17
nature.com	Nature Portfolio	40	15
cloudns.net	ClouDNS	18	0

Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month

Live websites detected: 135,177
Countries with usage: 206
Top market: United States: 🇺🇸 48.7%

Postmark DMARC global heatmap

darker = more sites

Postmark DMARC usage by country

by sites detected

01 🇺🇸 United States 65,318 48.7%
02 🇬🇧 United Kingdom 10,976 8.2%
03 🇩🇪 Germany 9,200 6.9%
04 🇦🇺 Australia 5,820 4.3%
05 🇨🇦 Canada 5,621 4.2%
06 🇳🇱 Netherlands 4,289 3.2%
07 🇫🇷 France 3,288 2.4%
08 🇩🇰 Denmark 2,070 1.5%
09 🇧🇪 Belgium 1,846 1.4%
10 🇨🇭 Switzerland 1,643 1.2%

And 196 more countries in the full dataset.

Need every Postmark DMARC site in one market? Unlock Postmark DMARC once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.

Start from $39/mo

Postmark DMARC usage by country group

by sites detected

01 English-Speaking Countries 54 countries 92,643 69%
02 North America 4 countries 70,953 52.9%
03 Europe 54 countries 47,288 35.2%
04 Western Europe 24 countries 42,102 31.4%
05 European Union (EU) 27 countries 32,245 24%
06 DACH 4 countries 11,677 8.7%
07 Asia-Pacific (APAC) 42 countries 11,322 8.4%
08 Oceania 19 countries 7,336 5.5%
09 French-Speaking Countries 25 countries 7,009 5.2%
10 Benelux 3 countries 6,300 4.7%

Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 134,216 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.

Companies using Postmark DMARC

sample, enriched

Company	Website	Employees	Industry	Country	Founded
National Research University	hse.ru	5001-10000	Higher Education	🇷🇺 Russia	1992
Advanced Illumination	advancedillumination.com	51-200	Automation Machinery Manufacturing	🇺🇸 United States	1993
CaringPays	caringpays.com	10001+	Home Health Care Services	🇺🇸 United States	2024
Artemis Electronics, LLC	artemiselectronics.com	11-50	Electrical Equipment Manufacturing	🇺🇸 United States	2005
St. Peters Life Plan And Chapels Official…	stpeter.com.ph	501-1000	Insurance	🇵🇭 Philippines	-
Barapa Land & Water	barapa.org.au	-	-	🇺🇳 -	-
Blacktiecbd	blacktiecbd.net	1-10	-	🇺🇸 United States	-
Atea Sverige	atea.se	1001-5000	IT Services and IT Consulting	🇸🇪 Sweden	-
Ekattor Television	ekattor.tv	201-500	Media Production	🇧🇩 Bangladesh	2012
Grupo Dportenis	grupodp.com.mx	1001-5000	Retail	🇲🇽 Mexico	1987
General Dynamics Land Systems	gdls.com	5001-10000	Defense & Space	🇨🇦 Canada	1982
Matelec	matelec.com	501-1000	Appliances, Electrical, and Electronics Manufacturing	🇱🇧 Lebanon	1974
Start Munich	startmunich.de	201-500	Non-profit Organization Management	🇩🇪 Germany	2003
Equikro	equikro.com	-	Retail Apparel and Fashion	🇬🇧 United Kingdom	-
METRO AEBE	metro.com.gr	10001+	Retail	🇬🇷 Greece	1976
Federacao Das Camaras De Dirigentes…	fcdl-rs.com.br	1-10	-	🇺🇳 -	-
S4C	s4c.cymru	51-200	Broadcast Media Production and Distribution	🇬🇧 United Kingdom	1982
JobRack	jobrack.eu	11-50	Outsourcing/Offshoring	🇬🇧 United Kingdom	2016
Central Bank	centralbank.net	1001-5000	Financial Services	🇺🇸 United States	1902
Kenya Wildlife Service (KWS)	kws.go.ke	5001-10000	Conservation Programs	🇰🇪 Kenya	-
Francis Marion University	fmarion.edu	501-1000	Higher Education	🇺🇸 United States	1970
Kementerian Sosial RI	kemsos.go.id	10001+	Utilities	🇮🇩 Indonesia	-
Skyhawks Football	skyhawksfootball.ca	-	-	🇨🇦 Canada	-
Shoreham Port	shoreham-port.co.uk	51-200	Maritime Transportation	🇬🇧 United Kingdom	-
Free Geek	freegeek.org	11-50	Computer Hardware	🇺🇸 United States	2000
Feedlestack	feedlestack.com	1-10	internet	🇫🇷 France	2019
Mezaldy.com	mezaldy.com	201-500	Retail Apparel and Fashion	🇳🇱 Netherlands	2021
BCforward	bcforward.com	5001-10000	IT Services and IT Consulting	🇺🇸 United States	1998
The Gaudete Trust	thegaudetetrust.com	1-10	Education	🇺🇳 -	2023
Converging Technology Solutions	converging.net	-	-	🇨🇦 Canada	-
Qryptal	qryptal.com	11-50	Software Development	🇸🇬 Singapore	2011
Gsms, Incorporated	gsms.us	201-500	pharmaceuticals	🇺🇸 United States	1986
Orchard Park Growers Ltd.	orchardpark.net	51-200	Farming	🇨🇦 Canada	1969
Covelli Enterprises	covelli.com	10001+	Restaurants	🇺🇸 United States	1960
Master MOM	orcofi.org	501-1000	Higher Education	🇫🇷 France	1988
ESA - Event Services Australia	theesagroup.com.au	1001-5000	Events Services	🇦🇺 Australia	2014
Flexcraft	flexcraft.com	201-500	Plastics Manufacturing	🇺🇸 United States	1971
Bille Immobilier Ath	bille-immobilier.be	-	Real Estate	🇺🇳 -	-
Empire Auto Parts	empireauto.biz	501-1000	Automotive	🇺🇸 United States	1985
University Of Sheffield	sheffield.ac.uk	5001-10000	Higher Education	🇬🇧 United Kingdom	1905

A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.

Postmark DMARC usage by industry

by TLD segment

01 Software Development 3,020 14.4%
02 IT Services and IT Consulting 2,309 11%
03 Technology, Information and Internet 2,082 10%
04 Construction 1,384 6.6%
05 Financial Services 1,361 6.5%
06 Business Consulting and Services 1,172 5.6%
07 Advertising Services 1,166 5.6%
08 Real Estate 1,124 5.4%
09 Retail 891 4.3%
10 Non-profit Organizations 856 4.1%

Postmark DMARC industry distribution chart

share by domain segment

Postmark DMARC users by company revenue

22,106 companies

Put it to work

What teams do with the Postmark DMARC list

Sales outreach

All 135,177 of these sites already run Postmark DMARC, with the software development segment leading at 3,020 sites. Pitch the products and services that fit that exact stack.

Competitor analysis

Selling GoDaddy DMARC, Cloudflare DMARC, or another DMARC Reporting product? These 135K Postmark DMARC users are your displacement audience, filterable by country and company size.

Market research

Top markets for Postmark DMARC: United States (48.7%), United Kingdom (8.2%), Germany (6.9%). Size the DMARC Reporting market by geography before you build or invest.

Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.

Request access

Turn 135,177 Postmark DMARC websites into your next campaign, audit, or dataset

Unlock Postmark DMARC and download unlimited filtered reports for a month: up to 1M sites per list, segmented by country and TLD.