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Survey Data Mining: Home | FAQ | Archive | Glossary |
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Report Description |
This report doesn't have that problem, since it doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.
CA | March 2021 Count |
March 2021 % |
February 2021 Count |
February 2021 % |
Growth % |
Let's Encrypt | 3,070,399 | 24.87 | 2,970,259 | 24.55 | 1.29 |
Sectigo Limited | 2,405,626 | 19.49 | 2,332,841 | 19.28 | 1.05 |
DigiCert | 1,599,053 | 12.95 | 1,576,277 | 13.03 | -0.60 |
cPanel, Inc. | 748,252 | 6.06 | 728,793 | 6.02 | 0.61 |
GlobalSign nv-sa | 559,921 | 4.54 | 573,071 | 4.74 | -4.26 |
Unknown | 464,272 | 3.76 | 451,130 | 3.73 | 0.84 |
GoDaddy.com, Inc. | 408,666 | 3.31 | 408,692 | 3.38 | -2.02 |
Unizeto Technologies S.A. | 258,209 | 2.09 | 238,345 | 1.97 | 6.16 |
Amazon | 240,343 | 1.95 | 241,245 | 1.99 | -2.38 |
Starfield Technologies, Inc. | 224,607 | 1.82 | 219,347 | 1.81 | 0.34 |
Cloudflare, Inc. | 207,363 | 1.68 | 199,238 | 1.65 | 1.98 |
COMODO CA Limited | 175,319 | 1.42 | 207,576 | 1.72 | -17.24 |
SecureCore | 127,159 | 1.03 | 122,944 | 1.02 | 1.35 |
Plesk | 107,108 | 0.87 | 105,787 | 0.87 | -0.79 |
Gehirn Inc. | 97,732 | 0.79 | 94,739 | 0.78 | 1.08 |
SomeOrganization | 92,626 | 0.75 | 91,951 | 0.76 | -1.29 |
none | 92,497 | 0.75 | 89,500 | 0.74 | 1.27 |
Google Trust Services | 90,344 | 0.73 | 89,105 | 0.74 | -0.65 |
DreamHost | 73,329 | 0.59 | 68,485 | 0.57 | 4.92 |
ispgateway | 70,064 | 0.57 | 69,197 | 0.57 | -0.78 |
Microsoft Corporation | 62,012 | 0.50 | 60,562 | 0.50 | 0.33 |
Internet2 | 53,815 | 0.44 | 53,806 | 0.44 | -1.99 |
home.pl S.A. | 44,656 | 0.36 | 43,581 | 0.36 | 0.41 |
Actalis S.p.A. | 42,959 | 0.35 | 41,709 | 0.34 | 0.93 |
GoGetSSL | 42,045 | 0.34 | 40,679 | 0.34 | 1.28 |
Entrust, Inc. | 36,785 | 0.30 | 37,225 | 0.31 | -3.17 |
Gandi | 36,435 | 0.30 | 36,649 | 0.30 | -2.58 |
Parallels | 35,965 | 0.29 | 36,602 | 0.30 | -3.72 |
GEANT Vereniging | 33,971 | 0.28 | 28,945 | 0.24 | 15.00 |
TrustAsia Technologies, Inc. | 32,715 | 0.26 | 31,178 | 0.26 | 2.82 |
Webhosting | 32,039 | 0.26 | 31,009 | 0.26 | 1.24 |
Trustwave Holdings, Inc. | 30,769 | 0.25 | 30,716 | 0.25 | -1.84 |
Odin | 30,475 | 0.25 | 37,335 | 0.31 | -20.02 |
TERENA | 28,927 | 0.23 | 32,524 | 0.27 | -12.85 |
GeoTrust Inc. | 24,771 | 0.20 | 24,635 | 0.20 | -1.47 |
Japan Registry Services Co., Ltd. | 23,853 | 0.19 | 23,360 | 0.19 | 0.06 |
Cybertrust Japan Co., Ltd. | 22,372 | 0.18 | 19,497 | 0.16 | 12.44 |
Internet Widgits Pty Ltd | 17,950 | 0.15 | 17,711 | 0.15 | -0.69 |
Acme Co | 17,523 | 0.14 | 17,170 | 0.14 | 0.00 |
SECOM Trust Systems CO.,LTD. | 17,406 | 0.14 | 16,558 | 0.14 | 3.01 |
Apache HTTP Server | 16,443 | 0.13 | 16,411 | 0.14 | -1.82 |
WebSupport, s.r.o. | 15,504 | 0.13 | 15,175 | 0.13 | 0.11 |
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V. | 15,295 | 0.12 | 15,166 | 0.13 | -1.18 |
QuoVadis Limited | 14,879 | 0.12 | 15,009 | 0.12 | -2.86 |
Network Solutions L.L.C. | 14,861 | 0.12 | 15,342 | 0.13 | -5.08 |
Soluciones Corporativas IP, SL | 14,758 | 0.12 | 14,268 | 0.12 | 1.35 |
SH | 13,300 | 0.11 | 12,919 | 0.11 | 0.88 |
Default Company Ltd | 12,612 | 0.10 | 12,828 | 0.11 | -3.66 |
World4You Internet Services GmbH | 12,542 | 0.10 | 12,126 | 0.10 | 1.35 |
WEDOS Internet, a.s. | 10,298 | 0.08 | 11,791 | 0.10 | -14.42 |
DOMENY.PL sp. z o.o | 9,806 | 0.08 | 9,612 | 0.08 | -0.03 |
Corporation Service Company | 9,728 | 0.08 | 9,567 | 0.08 | -0.36 |
Test Self SSL Company | 9,632 | 0.08 | 9,188 | 0.08 | 2.72 |
KAGOYA-JAPAN | 8,808 | 0.07 | 8,629 | 0.07 | 0.02 |
CloudFlare, Inc. | 8,788 | 0.07 | 5,753 | 0.05 | 49.68 |
Unspecified | 8,236 | 0.07 | 7,501 | 0.06 | 7.59 |
Trust Provider B.V. | 8,092 | 0.07 | 12,750 | 0.11 | -37.81 |
ZeroSSL | 7,906 | 0.06 | 7,883 | 0.07 | -1.73 |
www.sprinthost.ru | 7,710 | 0.06 | 7,455 | 0.06 | 1.34 |
ddos-guard | 6,930 | 0.06 | 6,982 | 0.06 | -2.74 |
Basekit Ltd | 6,731 | 0.05 | 5,838 | 0.05 | 12.98 |
XX | 6,226 | 0.05 | 5,834 | 0.05 | 4.57 |
o2switch | 5,877 | 0.05 | 5,583 | 0.05 | 3.15 |
Caddy Self-Signed | 5,564 | 0.05 | 5,573 | 0.05 | -2.17 |
Dreamcommerce S.A. | 5,459 | 0.04 | 5,341 | 0.04 | 0.15 |
Alpiro s.r.o. | 5,327 | 0.04 | 0 | 0.00 | N/A |
TAIWAN-CA | 5,029 | 0.04 | 4,877 | 0.04 | 1.04 |
T-Systems International GmbH | 4,694 | 0.04 | 4,608 | 0.04 | -0.18 |
dhosting.pl Sp. z o.o. | 4,660 | 0.04 | 4,503 | 0.04 | 1.41 |
SSL Corporation | 4,609 | 0.04 | 4,443 | 0.04 | 1.65 |
Mirohost | 4,433 | 0.04 | 4,377 | 0.04 | -0.76 |
GMO CLOUD K.K. | 4,053 | 0.03 | 3,911 | 0.03 | 1.55 |
nazwa.pl sp. z o.o. | 3,984 | 0.03 | 3,986 | 0.03 | -2.06 |
SwissSign AG | 3,961 | 0.03 | 3,976 | 0.03 | -2.38 |
Buypass AS-983163327 | 3,908 | 0.03 | 3,923 | 0.03 | -2.39 |
DealerInspire | 3,725 | 0.03 | 3,580 | 0.03 | 1.96 |
QuoVadis Trustlink B.V. | 3,654 | 0.03 | 3,543 | 0.03 | 1.06 |
GeoTrust, Inc. | 3,626 | 0.03 | 3,582 | 0.03 | -0.81 |
CentOS Web Panel | 3,611 | 0.03 | 3,581 | 0.03 | -1.19 |
thawte, Inc. | 3,588 | 0.03 | 3,623 | 0.03 | -2.96 |
testexample | 3,547 | 0.03 | 3,171 | 0.03 | 9.61 |
HydrantID (Avalanche Cloud Corporation) | 3,324 | 0.03 | 3,553 | 0.03 | -8.33 |
NetLock Kft. | 3,243 | 0.03 | 2,419 | 0.02 | 31.37 |
Bitrix | 3,135 | 0.03 | 2,974 | 0.02 | 3.29 |
WoTrus CA Limited | 3,084 | 0.02 | 2,978 | 0.02 | 1.48 |
The Trustico Group Ltd | 3,054 | 0.02 | 6,499 | 0.05 | -53.95 |
Beijing Knownsec Information Technology Co., Ltd | 3,033 | 0.02 | 2,731 | 0.02 | 8.82 |
N/A | 3,005 | 0.02 | 3,012 | 0.02 | -2.24 |
National Institute of Informatics | 2,960 | 0.02 | 3,497 | 0.03 | -17.06 |
SSL Server | 2,915 | 0.02 | 2,883 | 0.02 | -0.92 |
Guardian Inc. | 2,906 | 0.02 | 2,858 | 0.02 | -0.37 |
ONEsolution s.r.o. | 2,851 | 0.02 | 2,776 | 0.02 | 0.64 |
Digital Element | 2,688 | 0.02 | 2,688 | 0.02 | -2.01 |
FASTVPS | 2,595 | 0.02 | 2,505 | 0.02 | 1.51 |
Fasthosts Internet Limited | 2,516 | 0.02 | 2,428 | 0.02 | 1.54 |
unaone | 2,437 | 0.02 | 2,443 | 0.02 | -2.25 |
MyCompany | 2,384 | 0.02 | 2,378 | 0.02 | -1.76 |
AttHost Sp z o.o. | 2,358 | 0.02 | 2,246 | 0.02 | 2.88 |
DivMulTech LLC | 2,350 | 0.02 | 2,306 | 0.02 | -0.14 |
Comodo Limited | 2,271 | 0.02 | 2,316 | 0.02 | -3.92 |
Note: Readers are cautioned that the Growth percentages are based on
a CA's market share penetration rather than the absolute number of
certificates we detected. Thus, it is possible for the number of certificates
to increase, while the growth is actually a negative value.