|
Domain name |
Industry |
|
| 1 |
google.com
|
Software Development
|
82,134 email addresses
|
| 2 |
cloudflare.com
|
Computer and Network Security
|
374 email addresses
|
| 3 |
apple.com
|
Computers and Electronics Manufacturing
|
50,446 email addresses
|
| 4 |
mozilla.org
|
Software Development
|
417 email addresses
|
| 5 |
who.int
|
International Affairs
|
8,618 email addresses
|
| 6 |
bbc.co.uk
|
Broadcast Media Production and Distribution
|
10,220 email addresses
|
| 7 |
parallels.com
|
Software Development
|
360 email addresses
|
| 8 |
ibm.com
|
IT Services and IT Consulting
|
185,332 email addresses
|
| 9 |
zoom.us
|
Software Development
|
352 email addresses
|
| 10 |
bloomberg.com
|
Financial Services
|
186 email addresses
|
| 11 |
marriott.com
|
Hospitality
|
47,847 email addresses
|
| 12 |
dailymail.co.uk
|
Newspaper Publishing
|
1,044 email addresses
|
| 13 |
icbc.com.cn
|
Banking
|
453 email addresses
|
| 14 |
kvk.nl
|
Government Administration
|
669 email addresses
|
| 15 |
salesforce.com
|
Software Development
|
38,172 email addresses
|
| 16 |
adyen.com
|
Financial Services
|
2,446 email addresses
|
| 17 |
iso.org
|
International Trade and Development
|
231 email addresses
|
| 18 |
gartner.com
|
Information Services
|
16,512 email addresses
|
| 19 |
cisco.com
|
Software Development
|
90,750 email addresses
|
| 20 |
verisign.com
|
Technology, Information and Internet
|
686 email addresses
|
| 21 |
gitlab.com
|
-
|
785 email addresses
|
| 22 |
canada.ca
|
Government Administration
|
12,065 email addresses
|
| 23 |
webmd.com
|
Technology, Information and Internet
|
861 email addresses
|
| 24 |
netflix.com
|
Entertainment Providers
|
7,794 email addresses
|
| 25 |
shutterstock.com
|
Software Development
|
1,288 email addresses
|
| 26 |
redhat.com
|
Software Development
|
36,174 email addresses
|
| 27 |
arsys.es
|
IT Services and IT Consulting
|
105 email addresses
|
| 28 |
rijksoverheid.nl
|
Government Administration
|
576 email addresses
|
| 29 |
oecd.org
|
International Affairs
|
3,020 email addresses
|
| 30 |
intel.com
|
Semiconductor Manufacturing
|
29,711 email addresses
|
| 31 |
denic.de
|
Technology, Information and Internet
|
166 email addresses
|
| 32 |
teamviewer.com
|
Software Development
|
1,066 email addresses
|
| 33 |
ssa.gov
|
Government Administration
|
9,482 email addresses
|
| 34 |
accenture.com
|
-
|
-
|
| 35 |
digicert.com
|
Computer and Network Security
|
1,067 email addresses
|
| 36 |
ky.gov
|
Government Administration
|
7,932 email addresses
|
| 37 |
fbi.gov
|
Law Enforcement
|
2,703 email addresses
|
| 38 |
hyatt.com
|
Hospitality
|
8,519 email addresses
|
| 39 |
nist.gov
|
Research Services
|
4,928 email addresses
|
| 40 |
opentable.com
|
Food & Beverages
|
72 email addresses
|
| 41 |
ups.com
|
Truck Transportation
|
70,364 email addresses
|
| 42 |
lemonde.fr
|
Newspaper Publishing
|
585 email addresses
|
| 43 |
lenovo.com
|
IT Services and IT Consulting
|
7,260 email addresses
|
| 44 |
walmart.com
|
Retail
|
152,821 email addresses
|
| 45 |
thehill.com
|
Online Audio and Video Media
|
143 email addresses
|
| 46 |
citrix.com
|
Software Development
|
11,978 email addresses
|
| 47 |
houstonmethodist.org
|
Hospitals and Health Care
|
5,450 email addresses
|
| 48 |
lg.com
|
Appliances, Electrical, and Electronics Manufacturing
|
46 email addresses
|
| 49 |
upwork.com
|
Software Development
|
394 email addresses
|
| 50 |
cambridge.org
|
Education
|
2,968 email addresses
|
