37,708 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	389 email addresses
2	amazon.com	Software Development	365,069 email addresses
3	amazon.co.jp	Software Development	675 email addresses
4	parallels.com	Software Development	373 email addresses
5	dmca.com	IT Services and IT Consulting	27 email addresses
6	dailymail.co.uk	Newspaper Publishing	1,074 email addresses
7	oecd.org	International Affairs	3,093 email addresses
8	intel.com	Semiconductor Manufacturing	20,790 email addresses
9	teamviewer.com	Software Development	1,255 email addresses
10	safenames.net	IT Services and IT Consulting	38 email addresses
11	ky.gov	Government Administration	7,920 email addresses
12	ups.com	Truck Transportation	73,200 email addresses
13	wi.gov	Information Services	886 email addresses
14	thehill.com	Online Audio and Video Media	145 email addresses
15	cambridge.org	Education	2,993 email addresses
16	ticketmaster.com	Entertainment Providers	3,342 email addresses
17	nasdaq.com	Financial Services	3,953 email addresses
18	esri.com	Software Development	3,444 email addresses
19	elsevier.com	Information Services	5,022 email addresses
20	hpe.com	IT Services and IT Consulting	7,702 email addresses
21	unicef.org	Non-profit Organizations	8,244 email addresses
22	mxtoolbox.com	IT Services and IT Consulting	23 email addresses
23	nike.com	Retail	14,105 email addresses
24	telekom.de	Telecommunications	9,232 email addresses
25	itu.int	Telecommunications	966 email addresses
26	hp.com	IT Services and IT Consulting	11,386 email addresses
27	sectigo.com	Software Development	110 email addresses
28	att.com	Telecommunications	102,913 email addresses
29	pingidentity.com	Software Development	1,129 email addresses
30	unesco.org	International Affairs	3,431 email addresses
31	bankofengland.co.uk	Banking	1,726 email addresses
32	amd.com	Semiconductor Manufacturing	23,737 email addresses
33	ericsson.com	Telecommunications	27,241 email addresses
34	oregon.gov	Government Administration	7,233 email addresses
35	wiley.com	Book and Periodical Publishing	3,504 email addresses
36	fujitsu.com	IT Services and IT Consulting	11,729 email addresses
37	eia.gov	Government Administration	287 email addresses
38	parliament.uk	-	3,333 email addresses
39	rockstargames.com	Computer Games	2,109 email addresses
40	ssl.com	Computer and Network Security	81 email addresses
41	columbia.edu	Higher Education	21,845 email addresses
42	visa.com	IT Services and IT Consulting	19,158 email addresses
43	utexas.edu	Higher Education	10,740 email addresses
44	solarwinds.com	Software Development	1,309 email addresses
45	droppages.com	-	5 email addresses
46	siemens.com	Automation Machinery Manufacturing	56,685 email addresses
47	princeton.edu	Higher Education	22,678 email addresses
48	imperial.ac.uk	Research Services	15,808 email addresses
49	wellsfargo.com	Financial Services	42,056 email addresses
50	etikimza.com	IT Services and IT Consulting	2 email addresses

Who uses IIS

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

By industry

Industry	Websites
Professional Services	2,967
Technology, Information and Media	2,680
Manufacturing	1,583
Government Administration	1,232
Consumer Services	989
Entertainment Providers	919
Financial Services	875
Education	862
Hospitals and Health Care	705
Retail	632
Administrative and Support Services	599
Accommodation Services	473

By country

Country	Websites
United States of America	9,500
United Kingdom of Great Britain and Northern Ireland	1,730
Canada	1,072
India	944
Türkiye	880
Germany	706
Denmark	659
Brazil	620
Netherlands	566
Sweden	515
France	481
Spain	469

IIS by country

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

United States of America (9,500)
United Kingdom of Great Britain and Northern Ireland (1,730)
Canada (1,072)
India (944)
Türkiye (880)
Germany (706)
Denmark (659)
Brazil (620)
Netherlands (566)
Sweden (515)
France (481)
Spain (469)

IIS FAQs

Browse every technology

Hunter detects IIS on 37,708 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

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The websites using IIS

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IIS by country

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The websites using IIS

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IIS by country

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