37,602 websites using IIS (2026) • Hunter TechLookup

The websites using IIS

A sample of the websites Hunter detects IIS on, ordered by web popularity.

	Domain name	Industry
1	cloudflare.com	Computer and Network Security	391 email addresses
2	amazon.com	Software Development	365,055 email addresses
3	amazon.co.jp	Software Development	671 email addresses
4	parallels.com	Software Development	374 email addresses
5	dmca.com	IT Services and IT Consulting	27 email addresses
6	dailymail.co.uk	Newspaper Publishing	1,088 email addresses
7	oecd.org	International Affairs	3,120 email addresses
8	teamviewer.com	Software Development	1,312 email addresses
9	safenames.net	IT Services and IT Consulting	38 email addresses
10	ky.gov	Government Administration	7,911 email addresses
11	ups.com	Truck Transportation	74,212 email addresses
12	wi.gov	Information Services	891 email addresses
13	thehill.com	Online Audio and Video Media	145 email addresses
14	cambridge.org	Education	3,024 email addresses
15	ticketmaster.com	Entertainment Providers	3,385 email addresses
16	nasdaq.com	Financial Services	3,985 email addresses
17	esri.com	Software Development	3,507 email addresses
18	elsevier.com	Information Services	5,059 email addresses
19	hpe.com	IT Services and IT Consulting	7,700 email addresses
20	unicef.org	Non-profit Organizations	8,333 email addresses
21	mxtoolbox.com	IT Services and IT Consulting	23 email addresses
22	nike.com	Retail	14,189 email addresses
23	telekom.de	Telecommunications	9,577 email addresses
24	itu.int	Telecommunications	973 email addresses
25	hp.com	IT Services and IT Consulting	12,118 email addresses
26	sectigo.com	Software Development	110 email addresses
27	att.com	Telecommunications	103,991 email addresses
28	pingidentity.com	Software Development	1,138 email addresses
29	unesco.org	International Affairs	3,428 email addresses
30	bankofengland.co.uk	Banking	1,725 email addresses
31	amd.com	Semiconductor Manufacturing	24,119 email addresses
32	ericsson.com	Telecommunications	27,418 email addresses
33	oregon.gov	Government Administration	7,309 email addresses
34	wiley.com	Book and Periodical Publishing	3,481 email addresses
35	nokia.com	Telecommunications	32,081 email addresses
36	fujitsu.com	IT Services and IT Consulting	11,860 email addresses
37	eia.gov	Government Administration	291 email addresses
38	parliament.uk	-	3,327 email addresses
39	rockstargames.com	Computer Games	2,343 email addresses
40	ssl.com	Computer and Network Security	84 email addresses
41	columbia.edu	Higher Education	21,869 email addresses
42	visa.com	IT Services and IT Consulting	19,623 email addresses
43	utexas.edu	Higher Education	10,815 email addresses
44	solarwinds.com	Software Development	1,325 email addresses
45	droppages.com	-	5 email addresses
46	siemens.com	Automation Machinery Manufacturing	57,476 email addresses
47	princeton.edu	Higher Education	22,432 email addresses
48	imperial.ac.uk	Research Services	15,821 email addresses
49	wellsfargo.com	Financial Services	41,956 email addresses
50	etikimza.com	IT Services and IT Consulting	2 email addresses

You have 37,602 sites. Now reach the people.

Hunter already holds email addresses at all 50 websites listed above.

Amanda S. · Director Solutions Cloudflare

a****@cloudflare.com 84%
Valerie E. · Delivery Driver Amazon

v****@amazon.com 85%
Chris M. · Independent Contractor Amazon

m****@amazon.co.jp 84%

Real people at the websites listed above. Only the part before the @ is hidden here — the company domain is the real one.

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Who uses IIS

Websites running IIS, counted by industry and by country. Only the largest groups are shown.

By industry

Industry	Websites
Professional Services	2,991
Technology, Information and Media	2,696
Manufacturing	1,598
Government Administration	1,235
Consumer Services	1,014
Entertainment Providers	925
Financial Services	884
Education	875
Hospitals and Health Care	707
Retail	641
Administrative and Support Services	603
Accommodation Services	477

By country

Country	Websites
United States of America	9,494
United Kingdom of Great Britain and Northern Ireland	1,708
Canada	1,059
India	955
Türkiye	886
Germany	706
Denmark	662
Brazil	621
Netherlands	568
Sweden	514
France	483
Spain	473

IIS by country

The countries where we detected enough IIS websites to rank them.

United States of America (9,494)
United Kingdom of Great Britain and Northern Ireland (1,708)
Canada (1,059)
India (955)
Türkiye (886)
Germany (706)
Denmark (662)
Brazil (621)
Netherlands (568)
Sweden (514)
France (483)
Spain (473)

IIS FAQs

Browse every technology

Hunter detects IIS on 37,602 websites. The figure comes from Hunter's own crawl of company websites and is rebuilt every night, so it moves as sites adopt and drop the technology.

The table on this page is a sample of the websites running IIS, ordered by web popularity, with the industries they are in and how many email addresses Hunter holds for each. Create a free account to search any of them and see the addresses.

The websites Hunter detects IIS on most often also run Windows Server, Microsoft ASP.NET and jQuery.

IIS is one of the Web Servers technologies Hunter tracks. Others it detects widely include HTTP/3, Nginx and Apache HTTP Server.

Yes — that is what Hunter is for. The last column of the table shows how many email addresses Hunter already holds for a website, where it has found any. Sign up to see the addresses themselves, with the name and job title of the person behind each one.

Websites using IIS

What is IIS?

The websites using IIS

You have 37,602 sites. Now reach the people.

Who uses IIS

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IIS by country

IIS FAQs

Websites using IIS

What is IIS?

The websites using IIS

Commonly used alongside IIS

You have 37,602 sites. Now reach the people.

Alternatives to IIS

Who uses IIS

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IIS by country

IIS FAQs

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Which websites use IIS?

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Can I find email addresses at the companies using IIS?

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