webPKI CA Dashboard

Top 15 Certificate Authorities

Validation & Certificate Type Distribution

Global SAN & Domain Statistics totals from active certs · sparklines show monthly issuance trend

Total FQDNs

1.45B

Unique FQDNs

1.05B

Total Reg. Domains

742.7M

Unique Reg. Domains

240.9M

Total Wildcard SANs

491.4M

Unique Wildcard SANs

326.6M

All Certificate Authorities · Click row for breakdown

CA Owner ↕	Active Certs ↓	Market Share	Validation Types	Cert Types	Issuance Trend

Top 50 Registered Domains (PSL) sampled from top 5 CAs

#1 amazonaws.com 39.4M

#2 dyingbirds.com 36.4M

#3 aws.dev 30.0M

#4 workdaysuv.com 10.8M

#5 on.aws 7.9M

#6 amplifyapp.com 6.4M

#7 workdaysuvcareers.com 3.9M

#8 chatgpt.site 3.4M

#9 cloudflarestorage.com 2.8M

#10 sslip.io 2.6M

#11 mongodb.net 1.8M

#12 plex.direct 1.6M

#13 workdaysuvsite.com 1.5M

#14 cloudflaressl.com 1.5M

#15 zendesk.com 1.5M

#16 nip.io 1.3M

#17 netcraze.io 1.3M

#18 kinsta.cloud 1.2M

#19 ui.direct 1.1M

#20 amazonaws.com.cn 1.0M

#21 a2z.eu 936K

#22 mybluehost.me 908K

#23 pageloft.de 876K

#24 memorydb.us-east-1.amazonaws.com 869K

#25 hstgr.cloud 785K

#26 connect.aws 713K

#27 myvolumio.org 685K

#28 stratoserver.net 623K

#29 hubspot-at-test.com 591K

#30 myftpupload.com 490K

#31 backname.io 489K

#32 rorktest.dev 467K

#33 mmscloudtest.com 455K

#34 *.s3.us-west-2.amazonaws.com 451K

#35 s3.us-west-2.amazonaws.com 451K

#36 *.s3-accesspoint.us-west-2.amazonaws.com 451K

#37 *.s3-accesspoint.dualstack.us-west-2.amazonaws.com 451K

#38 *.s3.dualstack.us-west-2.amazonaws.com 451K

#39 s3.dualstack.us-west-2.amazonaws.com 451K

#40 metaaivm.com 410K

#41 dualstack.us-east-1.amazonaws.com 407K

#42 s3.us-east-1.amazonaws.com 406K

#43 s3-control.us-east-1.amazonaws.com 406K

#44 *.s3.us-east-1.amazonaws.com 406K

#45 *.s3-accesspoint.us-east-1.amazonaws.com 406K

#46 *.s3.dualstack.us-east-1.amazonaws.com 406K

#47 *.s3-accesspoint.dualstack.us-east-1.amazonaws.com 406K

#48 s3.dualstack.us-east-1.amazonaws.com 406K

#49 a2z.com 382K

#50 pavlin.dev 381K

Certificate Duration Breakdown by CA

>1 year

~1 year

90 days

<90 days

🇺🇸ISRG (Let's Encrypt)

100%

🇺🇸Amazon Trust

35%

65%

🇺🇸GoDaddy

97%

🇺🇸Google Trust Services

100%

🇺🇸Sectigo

21%

73%

🇺🇸Microsoft

100%

🇺🇸DigiCert

68%

29%

🇺🇸IdenTrust

54%

46%

🇺🇸SSL.com

98%

🇮🇹Actalis

33%

66%

🇧🇪GlobalSign

40%

53%

🇬🇷HARICA

99%

🇵🇱Asseco

18%

82%

🇨🇳TrustAsia

16%

84%

🇯🇵SECOM

81%

19%

🇩🇪D-Trust

100%

🇯🇵SECOM Trust Systems Co., Ltd.

17%

50%

33%

🇹🇼TWCA

37%

63%

🇨🇭SwissSign AG

100%

🇮🇳eMudhra Technologies Limited

89%

🇸🇪Telia Company

96%

🇨🇳Shanghai Electronic Certification Authority Co., Ltd.

32%

68%

🇩🇪Deutsche Telekom

64%

27%

unknown

36%

61%

🇨🇭OISTE

34%

66%

🇰🇷NAVER Cloud

38%

62%

🇨🇳China Financial Certification Authority (CFCA)

30%

70%

🇩🇪D-TRUST

17%

83%

🇷🇴certSIGN

22%

78%

🇪🇸Government of Spain, Autoritat de Certificació de la Comunitat Valenciana (ACCV)

100%

🇭🇰Government of Hong Kong (SAR), Hongkong Post, Certizen

28%

72%

🇭🇺Microsec Ltd.

58%

42%

🇪🇸Government of Spain, Fábrica Nacional de Moneda y Timbre (FNMT)

100%

Government of Finland, Population Register Centre’s (Väestörekisterikeskus, VRK)

100%

75%

25%

🇪🇸Autoridad de Certificacion Firmaprofesional

100%

🇺🇸Open Access Technology International, Inc. (OATI)

97%

🇪🇸Izenpe S.A.

94%

🇳🇴Buypass

68%

32%

🇨🇳Global Digital Cybersecurity Authority Co., Ltd. (Formerly Guang Dong Certificate Authority (GDCA))

19%

81%

🇸🇰Disig, a.s.

33%

67%

🇫🇷Eviden

100%

🇵🇱Krajowa Izba Rozliczeniowa S.A. (KIR)

100%

🇨🇿První certifikační autorita, a.s.

100%

🇺🇸Viking Cloud, Inc.

56%

44%

🇹🇷Government of Turkey, Kamu Sertifikasyon Merkezi (Kamu SM)

100%

Atos

98%

🇧🇷Serviço Federal de Processamento de Dados

100%

🇺🇸Visa

99%

Government of India, Ministry of Communications & Information Technology, Controller of Certifying Authorities (CCA)

100%

🇹🇳Agence Nationale de Certification Electronique

100%

🇪🇸EDICOM

15%

85%

🇰🇷Government of Korea, KLID

100%

🇯🇵Cybertrust Japan / JCSI

100%

🇨🇳iTrusChina Co., Ltd.

29%

71%

🇪🇸Autoridad de Certificación (ANF AC)

100%

🇨🇳BEIJING CERTIFICATE AUTHORITY Co., Ltd.

100%

🇸🇮SI-TRUST

100%

MULTICERT

100%

🇮🇱ComSign

100%

🇫🇷Certigna

100%

Top 50 TLDs sampled from top 5 CAs · top 3 issuers per TLD

#1 .com 336.3M

Amazon Trust 133.0M ISRG (Let's Encrypt) 91.4M GoDaddy 54.9M

#2 .dev 55.0M

Amazon Trust 30.5M Google Trust Services 13.4M ISRG (Let's Encrypt) 10.0M

#3 .net 19.1M

ISRG (Let's Encrypt) 8.8M GoDaddy 3.9M Google Trust Services 2.7M

#4 .org 15.5M

ISRG (Let's Encrypt) 6.0M GoDaddy 4.1M Sectigo 2.7M

#5 .de 11.7M

ISRG (Let's Encrypt) 5.5M Sectigo 4.7M Google Trust Services 1.0M

#6 .xyz 10.8M

GoDaddy 7.1M ISRG (Let's Encrypt) 2.3M Google Trust Services 940K

#7 .io 10.1M

ISRG (Let's Encrypt) 7.1M Sectigo 1.0M Amazon Trust 754K

#8 .ph 9.9M

ISRG (Let's Encrypt) 9.8M Google Trust Services 39K GoDaddy 14K

#9 .aws 9.0M

Amazon Trust 9.0M ISRG (Let's Encrypt) 87 Sectigo 4

#10 .uk 8.0M

ISRG (Let's Encrypt) 3.1M GoDaddy 2.4M Google Trust Services 1.6M

#11 .site 5.8M

Google Trust Services 4.0M ISRG (Let's Encrypt) 1.2M Sectigo 348K

#12 .cn 5.6M

ISRG (Let's Encrypt) 2.7M Amazon Trust 1.8M Google Trust Services 840K

#13 .br 4.9M

ISRG (Let's Encrypt) 3.2M Google Trust Services 1.2M Amazon Trust 260K

#14 .top 4.3M

ISRG (Let's Encrypt) 2.7M Google Trust Services 717K GoDaddy 655K

#15 .shop 4.2M

ISRG (Let's Encrypt) 1.8M Google Trust Services 1.0M GoDaddy 969K

#16 .info 4.1M

ISRG (Let's Encrypt) 1.6M GoDaddy 1.5M Google Trust Services 574K

#17 .co 3.9M

ISRG (Let's Encrypt) 1.5M GoDaddy 1.3M Google Trust Services 751K

#18 .cloud 3.8M

ISRG (Let's Encrypt) 1.7M Google Trust Services 1.4M Amazon Trust 445K

#19 .in 3.8M

ISRG (Let's Encrypt) 1.6M GoDaddy 1.3M Google Trust Services 531K

#20 .ca 3.5M

ISRG (Let's Encrypt) 1.3M GoDaddy 1.2M Google Trust Services 700K

#21 .nl 3.4M

ISRG (Let's Encrypt) 2.2M Google Trust Services 522K Sectigo 481K

#22 .au 3.4M

ISRG (Let's Encrypt) 1.5M Google Trust Services 845K GoDaddy 636K

#23 .fr 3.4M

ISRG (Let's Encrypt) 2.2M Google Trust Services 529K Sectigo 384K

#24 .ru 3.4M

ISRG (Let's Encrypt) 3.2M Google Trust Services 208K GoDaddy 4K

#25 .app 3.3M

ISRG (Let's Encrypt) 1.2M Google Trust Services 959K Sectigo 486K

#26 .to 3.2M

ISRG (Let's Encrypt) 3.1M GoDaddy 56K Google Trust Services 16K

#27 .me 3.1M

ISRG (Let's Encrypt) 2.4M Google Trust Services 263K GoDaddy 262K

#28 .eu 3.1M

Amazon Trust 1.3M ISRG (Let's Encrypt) 1.1M Sectigo 363K

#29 .online 3.1M

ISRG (Let's Encrypt) 1.3M GoDaddy 646K Sectigo 583K

#30 .cc 3.0M

ISRG (Let's Encrypt) 1.6M Google Trust Services 843K Sectigo 337K

#31 .ai 2.8M

ISRG (Let's Encrypt) 823K Google Trust Services 603K Sectigo 540K

#32 .direct 2.7M

ISRG (Let's Encrypt) 2.7M Sectigo 17K GoDaddy 4K

#33 .it 2.3M

ISRG (Let's Encrypt) 1.5M Google Trust Services 336K Sectigo 324K

#34 .store 2.2M

GoDaddy 879K ISRG (Let's Encrypt) 652K Google Trust Services 565K

#35 .us 2.1M

GoDaddy 969K ISRG (Let's Encrypt) 504K Google Trust Services 327K

#36 .vip 1.9M

GoDaddy 759K ISRG (Let's Encrypt) 683K Google Trust Services 253K

#37 .pl 1.6M

ISRG (Let's Encrypt) 1.3M Google Trust Services 224K Sectigo 111K

#38 .ch 1.5M

ISRG (Let's Encrypt) 1.1M Google Trust Services 228K Sectigo 74K

#39 .se 1.4M

ISRG (Let's Encrypt) 1.1M Google Trust Services 194K Sectigo 36K

#40 .id 1.3M

ISRG (Let's Encrypt) 836K Google Trust Services 375K Sectigo 32K

#41 .es 1.3M

ISRG (Let's Encrypt) 742K Google Trust Services 217K Sectigo 172K

#42 .jp 1.3M

ISRG (Let's Encrypt) 742K Amazon Trust 277K Google Trust Services 163K

#43 .pro 1.2M

ISRG (Let's Encrypt) 781K Google Trust Services 255K GoDaddy 129K

#44 .biz 1.2M

ISRG (Let's Encrypt) 377K GoDaddy 346K Sectigo 265K

#45 .za 1.1M

ISRG (Let's Encrypt) 795K Google Trust Services 176K GoDaddy 112K

#46 .at 1.1M

ISRG (Let's Encrypt) 720K Sectigo 228K Google Trust Services 127K

#47 .cz 1.1M

ISRG (Let's Encrypt) 679K Sectigo 257K Google Trust Services 108K

#48 .be 1.0M

ISRG (Let's Encrypt) 727K Google Trust Services 169K Amazon Trust 43K

#49 .mx 983K

ISRG (Let's Encrypt) 463K GoDaddy 212K Google Trust Services 164K

#50 .link 921K

Sectigo 487K ISRG (Let's Encrypt) 280K Google Trust Services 59K

Monthly Issuance Trend — Top 10 CAs (last 6 months)

Monthly Expiry Trend — Top 10 CAs (last 6 months)

Geographic Distribution of Certificate Authorities CA owners & issuing CAs by country · ClickHouse data

🇺🇸 US 12 CAs

🇪🇸 ES 6 CAs

🇨🇳 CN 6 CAs

🇯🇵 JP 3 CAs

🇩🇪 DE 3 CAs

🇵🇱 PL 2 CAs

🇨🇭 CH 2 CAs

🇰🇷 KR 2 CAs

🇫🇷 FR 2 CAs

🇮🇱 IL 1 CA

🇬🇷 GR 1 CA

🇸🇰 SK 1 CA

🇧🇪 BE 1 CA

🇷🇴 RO 1 CA

🇮🇹 IT 1 CA

🇸🇪 SE 1 CA

🇨🇿 CZ 1 CA

🇹🇳 TN 1 CA

🇹🇼 TW 1 CA

🇭🇺 HU 1 CA

🇧🇷 BR 1 CA

🇸🇮 SI 1 CA

🇳🇴 NO 1 CA

🇮🇳 IN 1 CA

🇭🇰 HK 1 CA

🇹🇷 TR 1 CA

Trusted CA Certificate Registry · CCADB 7389 certificates · non-revoked, non-expired · source

CA Owner ↑	Certificate Name ↕	Parent CA ↕	Country ↕	Trust ↕	Trust Bits ↕	Valid From ↕	Valid To ↕