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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 | May 2021 Count |
May 2021 % |
April 2021 Count |
April 2021 % |
Growth % |
Let's Encrypt | 3,247,919 | 25.16 | 3,161,905 | 25.05 | 0.46 |
Sectigo Limited | 2,516,442 | 19.50 | 2,467,099 | 19.54 | -0.24 |
DigiCert | 1,642,256 | 12.72 | 1,613,963 | 12.79 | -0.48 |
cPanel, Inc. | 786,235 | 6.09 | 767,275 | 6.08 | 0.22 |
GlobalSign nv-sa | 579,115 | 4.49 | 570,297 | 4.52 | -0.68 |
Unknown | 492,249 | 3.81 | 482,466 | 3.82 | -0.21 |
GoDaddy.com, Inc. | 411,697 | 3.19 | 411,841 | 3.26 | -2.23 |
Unizeto Technologies S.A. | 268,126 | 2.08 | 263,336 | 2.09 | -0.42 |
Amazon | 254,693 | 1.97 | 246,936 | 1.96 | 0.88 |
Starfield Technologies, Inc. | 235,619 | 1.83 | 230,387 | 1.83 | 0.02 |
Cloudflare, Inc. | 227,959 | 1.77 | 214,257 | 1.70 | 4.06 |
COMODO CA Limited | 168,039 | 1.30 | 170,788 | 1.35 | -3.77 |
SecureCore | 134,542 | 1.04 | 130,772 | 1.04 | 0.62 |
Plesk | 112,439 | 0.87 | 109,839 | 0.87 | 0.12 |
Gehirn Inc. | 102,905 | 0.80 | 99,944 | 0.79 | 0.70 |
SomeOrganization | 100,058 | 0.78 | 97,783 | 0.77 | 0.08 |
none | 97,854 | 0.76 | 94,997 | 0.75 | 0.74 |
Google Trust Services | 87,640 | 0.68 | 90,894 | 0.72 | -5.70 |
DreamHost | 81,031 | 0.63 | 76,941 | 0.61 | 3.00 |
ispgateway | 71,428 | 0.55 | 70,708 | 0.56 | -1.20 |
Microsoft Corporation | 64,167 | 0.50 | 62,472 | 0.49 | 0.46 |
Internet2 | 54,652 | 0.42 | 54,321 | 0.43 | -1.60 |
home.pl S.A. | 47,240 | 0.37 | 45,830 | 0.36 | 0.81 |
Actalis S.p.A. | 45,794 | 0.35 | 44,088 | 0.35 | 1.59 |
GoGetSSL | 45,188 | 0.35 | 43,937 | 0.35 | 0.59 |
GEANT Vereniging | 39,125 | 0.30 | 36,041 | 0.29 | 6.17 |
Gandi | 38,140 | 0.30 | 37,605 | 0.30 | -0.81 |
Entrust, Inc. | 37,384 | 0.29 | 36,681 | 0.29 | -0.32 |
Parallels | 36,491 | 0.28 | 36,262 | 0.29 | -1.58 |
TrustAsia Technologies, Inc. | 35,295 | 0.27 | 33,768 | 0.27 | 2.23 |
Webhosting | 33,059 | 0.26 | 32,769 | 0.26 | -1.33 |
Odin | 30,820 | 0.24 | 30,438 | 0.24 | -0.97 |
Trustwave Holdings, Inc. | 30,546 | 0.24 | 30,836 | 0.24 | -3.12 |
TERENA | 25,112 | 0.19 | 27,001 | 0.21 | -9.04 |
Japan Registry Services Co., Ltd. | 24,891 | 0.19 | 24,276 | 0.19 | 0.28 |
GeoTrust Inc. | 24,060 | 0.19 | 24,653 | 0.20 | -4.55 |
Cybertrust Japan Co., Ltd. | 22,062 | 0.17 | 22,595 | 0.18 | -4.50 |
SECOM Trust Systems CO.,LTD. | 20,466 | 0.16 | 19,719 | 0.16 | 1.51 |
Acme Co | 19,003 | 0.15 | 18,247 | 0.14 | 1.86 |
Internet Widgits Pty Ltd | 18,374 | 0.14 | 18,616 | 0.15 | -3.47 |
Apache HTTP Server | 16,516 | 0.13 | 16,470 | 0.13 | -1.92 |
Soluciones Corporativas IP, SL | 16,044 | 0.12 | 15,580 | 0.12 | 0.72 |
WebSupport, s.r.o. | 16,039 | 0.12 | 15,741 | 0.12 | -0.35 |
Network Solutions L.L.C. | 15,584 | 0.12 | 15,556 | 0.12 | -2.02 |
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V. | 15,518 | 0.12 | 15,461 | 0.12 | -1.84 |
QuoVadis Limited | 14,446 | 0.11 | 14,597 | 0.12 | -3.21 |
SH | 14,407 | 0.11 | 13,791 | 0.11 | 2.17 |
Default Company Ltd | 14,281 | 0.11 | 13,298 | 0.11 | 5.03 |
World4You Internet Services GmbH | 13,390 | 0.10 | 12,914 | 0.10 | 1.41 |
ddos-guard | 12,388 | 0.10 | 7,492 | 0.06 | 61.72 |
Test Self SSL Company | 11,032 | 0.09 | 9,975 | 0.08 | 8.17 |
DOMENY.PL sp. z o.o | 10,258 | 0.08 | 10,008 | 0.08 | 0.25 |
Unspecified | 9,521 | 0.07 | 8,854 | 0.07 | 5.17 |
KAGOYA-JAPAN | 9,132 | 0.07 | 9,003 | 0.07 | -0.80 |
CloudFlare, Inc. | 8,755 | 0.07 | 8,838 | 0.07 | -3.12 |
Corporation Service Company | 8,659 | 0.07 | 8,628 | 0.07 | -1.85 |
www.sprinthost.ru | 8,211 | 0.06 | 7,963 | 0.06 | 0.85 |
ZeroSSL | 8,137 | 0.06 | 8,233 | 0.07 | -3.34 |
Basekit Ltd | 8,021 | 0.06 | 7,320 | 0.06 | 7.17 |
Trust Provider B.V. | 7,983 | 0.06 | 8,198 | 0.06 | -4.76 |
testexample | 7,113 | 0.06 | 5,238 | 0.04 | 32.81 |
o2switch | 7,035 | 0.05 | 6,474 | 0.05 | 6.28 |
XX | 6,629 | 0.05 | 6,484 | 0.05 | -0.01 |
WEDOS Internet, a.s. | 6,294 | 0.05 | 4,335 | 0.03 | 42.00 |
Alpiro s.r.o. | 6,173 | 0.05 | 5,301 | 0.04 | 13.89 |
WoTrus CA Limited | 5,797 | 0.04 | 3,201 | 0.03 | 77.12 |
Dreamcommerce S.A. | 5,612 | 0.04 | 5,517 | 0.04 | -0.51 |
Google Trust Services LLC | 5,182 | 0.04 | 0 | 0.00 | N/A |
TAIWAN-CA | 5,159 | 0.04 | 5,117 | 0.04 | -1.39 |
dhosting.pl Sp. z o.o. | 5,095 | 0.04 | 4,880 | 0.04 | 2.11 |
T-Systems International GmbH | 4,864 | 0.04 | 4,779 | 0.04 | -0.46 |
SSL Corporation | 4,761 | 0.04 | 4,665 | 0.04 | -0.18 |
Mirohost | 4,532 | 0.04 | 4,463 | 0.04 | -0.68 |
Buypass AS-983163327 | 4,391 | 0.03 | 4,349 | 0.03 | -1.25 |
GMO CLOUD K.K. | 4,306 | 0.03 | 4,172 | 0.03 | 0.94 |
DealerInspire | 3,974 | 0.03 | 3,793 | 0.03 | 2.47 |
Caddy Self-Signed | 3,957 | 0.03 | 5,371 | 0.04 | -27.95 |
SwissSign AG | 3,921 | 0.03 | 3,903 | 0.03 | -1.75 |
QuoVadis Trustlink B.V. | 3,728 | 0.03 | 3,692 | 0.03 | -1.24 |
GeoTrust, Inc. | 3,583 | 0.03 | 3,524 | 0.03 | -0.56 |
Beijing Knownsec Information Technology Co., Ltd | 3,523 | 0.03 | 3,317 | 0.03 | 3.88 |
HydrantID (Avalanche Cloud Corporation) | 3,519 | 0.03 | 3,372 | 0.03 | 2.07 |
CentOS Web Panel | 3,511 | 0.03 | 3,781 | 0.03 | -9.18 |
Bitrix | 3,354 | 0.03 | 3,314 | 0.03 | -1.02 |
NetLock Kft. | 3,301 | 0.03 | 3,260 | 0.03 | -0.97 |
The Trustico Group Ltd | 3,236 | 0.03 | 3,143 | 0.02 | 0.70 |
nazwa.pl sp. z o.o. | 3,142 | 0.02 | 4,205 | 0.03 | -26.92 |
thawte, Inc. | 3,069 | 0.02 | 3,384 | 0.03 | -11.30 |
N/A | 3,061 | 0.02 | 3,049 | 0.02 | -1.81 |
ONEsolution s.r.o. | 3,016 | 0.02 | 2,934 | 0.02 | 0.54 |
Guardian Inc. | 2,988 | 0.02 | 2,950 | 0.02 | -0.94 |
SSL Server | 2,964 | 0.02 | 2,939 | 0.02 | -1.36 |
FASTVPS | 2,750 | 0.02 | 2,669 | 0.02 | 0.77 |
Digital Element | 2,689 | 0.02 | 2,689 | 0.02 | -2.20 |
Fasthosts Internet Limited | 2,654 | 0.02 | 2,459 | 0.02 | 5.56 |
AttHost Sp z o.o. | 2,535 | 0.02 | 2,437 | 0.02 | 1.74 |
unaone | 2,410 | 0.02 | 2,423 | 0.02 | -2.72 |
MyCompany | 2,409 | 0.02 | 2,380 | 0.02 | -1.01 |
DivMulTech LLC | 2,398 | 0.02 | 2,370 | 0.02 | -1.04 |
SpinupWP | 2,376 | 0.02 | 2,254 | 0.02 | 3.10 |
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.