Cloudflare DMARC
Brevo DMARC
Proofpoint DMARC
dmarcian
DMARC Analyzer
OnDMARC
Agari
Postmark DMARC
InboxSetup
Sales outreach
All 2,556 of these sites already run Postmastery, with the hospitality segment leading at 4 sites. Pitch the products and services that fit that exact stack.
Websites using Postmastery
MX & Email Hosting Services DMARC Reporting Visit website
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 2,556
- Countries with usage
- 100
- Top market: United States
- 🇺🇸 73%
Postmastery global heatmap
darker = more sitesPostmastery usage by country
by sites detected-
01 🇺🇸 United States 1,865 73%
-
02 🇬🇧 United Kingdom 40 1.6%
-
03 🇩🇪 Germany 35 1.4%
-
04 🇮🇳 India 32 1.3%
-
05 🇪🇸 Spain 29 1.1%
-
06 🇳🇱 Netherlands 27 1.1%
-
07 🇮🇹 Italy 25 1%
-
08 🇧🇷 Brazil 22 0.9%
-
09 🇫🇷 France 21 0.8%
-
10 🇸🇬 Singapore 17 0.7%
And 90 more countries in the full dataset.
Need every Postmastery site in one market? Unlock Postmastery 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/moPostmastery usage by country group
by sites detected-
01 English-Speaking Countries 20 countries 2,036 79.7%
-
02 North America 2 countries 1,868 73.1%
-
03 Europe 40 countries 340 13.3%
-
04 Western Europe 19 countries 257 10.1%
-
05 European Union (EU) 25 countries 253 9.9%
-
06 Asia-Pacific (APAC) 19 countries 154 6%
-
07 BRICS 6 countries 86 3.4%
-
08 Eastern Europe 21 countries 83 3.2%
-
09 Latin America (LATAM) 16 countries 82 3.2%
-
10 Spanish-Speaking Countries 12 countries 75 2.9%
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 2,554 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Postmastery
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 booking.com
|
254 | $578K+ | 🇳🇱 Netherlands | com |
| 02 |
 bstatic.com
|
4,028 | $1.9K+ | 🇳🇱 Netherlands | com |
| 03 | booking.design | 214,791 | $614+ | 🇺🇸 United States | design |
| 04 | bkngs.com | 263,838 | $582+ | 🇺🇸 United States | com |
| 05 |
 activehotels.com
|
308,548 | $582+ | 🇬🇧 United Kingdom | com |
| 06 | booking.id | 347,968 | $684+ | 🇮🇩 Indonesia | id |
| 07 |
 book.direct
|
383,967 | $589+ | 🇮🇳 India | direct |
| 08 | booking-ads.com | 441,893 | $582+ | 🇺🇸 United States | com |
| 09 | bookings.org | 1,118,420 | $90+ | 🇺🇸 United States | org |
| 10 |
 streamly.video
|
1,256,687 | $286+ | 🇬🇧 United Kingdom | video |
| 11 | booki.ng | 2,101,146 | $96+ | 🇳🇱 Netherlands | ng |
| 12 |
 bookings.com
|
2,128,674 | $89+ | 🇮🇪 Ireland | com |
| 13 | bookings.net | 2,204,790 | $91+ | 🇺🇸 United States | net |
| 14 | hotelbase.com | 2,569,639 | $89+ | 🇺🇸 United States | com |
| 15 |
 bookings.nl
|
2,576,669 | $86+ | 🇳🇱 Netherlands | nl |
| 16 | activereservations.com | 2,827,228 | $89+ | 🇺🇸 United States | com |
| 17 | 2020booking.com | 2,860,138 | $1.21K+ | 🇺🇸 United States | com |
| 18 | villa.de | 2,903,499 | $1.19K+ | 🇩🇪 Germany | de |
| 19 | book-a-hotel.net | 2,906,037 | $91+ | 🇺🇸 United States | net |
| 20 | booking.com.tw | 2,955,847 | $1.19K+ | 🇹🇼 Taiwan | tw |
This is 20 of 2,556 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using Postmastery
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Streamly |
streamly.video
|
10001+ | Online Audio and Video Media | 🇬🇧 United Kingdom | - |
| Ascott Hotel |
activehotels.com
|
11-50 | Hospitality | 🇬🇧 United Kingdom | - |
| Hotel Sipermann |
bookings.nl
|
1-10 | Hospitality | 🇳🇱 Netherlands | - |
| Booking |
 bookingnow.com
|
11-50 | Hospitality | 🇺🇳 - | - |
| Booking.com |
booking.com
|
10001+ | internet | 🇳🇱 Netherlands | 1996 |
| Rossmore Farmhouse B&b |
bookings.com
|
1-10 | Hospitality | 🇮🇪 Ireland | - |
| Urban Life |
 villas.com
|
1-10 | Real Estate | 🇺🇳 - | 2017 |
| Ida Hotel |
book.direct
|
1-10 | Hospitality | 🇮🇳 India | - |
| Le Milka |
 booking.expert
|
1-10 | Leisure, Travel & Tourism | 🇨🇦 Canada | 2016 |
| Pousada Farol De Upanema |
 booking.com.br
|
1-10 | Hospitality | 🇺🇳 - | - |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Postmastery usage by industry
by TLD segment-
01 Hospitality 4 36.4%
-
02 Hospitality 3 27.3%
-
03 internet 1 9.1%
-
04 Online Audio and Video Media 1 9.1%
-
05 Real Estate 1 9.1%
-
06 Leisure, Travel & Tourism 1 9.1%
Postmastery industry distribution chart
share by domain segmentPostmastery users by company revenue
3 companiesTechnologies related to Postmastery
DMARC ReportingPut it to work
What teams do with the Postmastery list
Competitor analysis
Selling GoDaddy DMARC, Cloudflare DMARC, or another DMARC Reporting product? These 2.56K Postmastery users are your displacement audience, filterable by country and company size.
Market research
Top markets for Postmastery: United States (73%), United Kingdom (1.6%), Germany (1.4%). 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 accessTurn 2,556 Postmastery websites into your next campaign, audit, or dataset
Unlock Postmastery and download unlimited filtered reports for a month: up to 1M sites per list, segmented by country and TLD.
No contracts, cancel anytime · Instant access after checkout · Data point availability varies by website and report