基于 ca_vendor 与 ca_cert_map 表，
统计各家证书机构（CA）在当前 TLS 探测样本中的中间/交叉根证书数量与占比。
每一行代表一个 CA 厂商，中间 / 交叉根证书的条目数量来自 ca_cert_map，
占比基于全部 CA 证书条目总数计算。
| CA 厂商 | 证书数 | 占比 | 排名 |
|---|---|---|---|
|
DigiCert
digicert
|
68 |
|
#1 |
|
GlobalSign
globalsign
|
42 |
|
#2 |
|
Sectigo Limited
sectigo
|
35 |
|
#3 |
|
Let's Encrypt
lets_encrypt
|
18 |
|
#4 |
|
Amazon
amazon
|
16 |
|
#5 |
|
SSL Corporation
ssl_corporation
|
14 |
|
#6 |
|
TrustAsia
trustasia
|
10 |
|
#7 |
|
Google Trust Services LLC
google_trust
|
9 |
|
#8 |
|
Hellenic Academic and Research Institutions CA
harica
|
8 |
|
#9 |
|
Microsoft Corporation
microsoft_corporation
|
7 |
|
#10 |
|
Entrust Limited
entrust_limited
|
6 |
|
#11 |
|
SECOM Trust Systems CO.,LTD.
secom_trust_systems
|
5 |
|
#12 |
|
Asseco Data Systems S.A.
asseco_data_systems
|
5 |
|
#13 |
|
Microsec Ltd.
microsec_ltd
|
5 |
|
#14 |
|
GeoTrust Inc.
geotrust_inc
|
5 |
|
#15 |
|
CloudSecure Corporation
cloudsecure_corporation
|
5 |
|
#16 |
|
Starfield Technologies, Inc.
starfield_technologies
|
5 |
|
#17 |
|
Cybertrust Japan Co., Ltd.
cybertrust_japan
|
5 |
|
#18 |
|
Beijing Xinchacha Credit Management Co., Ltd.
beijing_xinchacha_credit
|
5 |
|
#19 |
|
Unizeto Sp. z o.o.
unizeto
|
5 |
|
#20 |
|
SwissSign AG
swisssign_ag
|
4 |
|
#21 |
|
Corporation Service Company
corporation_service_company
|
4 |
|
#22 |
|
GoGetSSL
gogetssl
|
4 |
|
#23 |
|
Actalis S.p.A./03358520967
actalis
|
3 |
|
#24 |
|
DNSPod, Inc.
dnspod_inc
|
3 |
|
#25 |
|
nazwa.pl Sp. z o.o.
nazwa_pl_sp_z_oo
|
3 |
|
#26 |
|
Nijimo K.K.
nijimo_kk
|
3 |
|
#27 |
|
EUNETIC GmbH
eunetic_gmbh
|
3 |
|
#28 |
|
ZeroSSL
zerossl
|
3 |
|
#29 |
|
Gandi SAS
gandi_sas
|
3 |
|
#30 |
|
Xin Net Technology Corp.
xin_net_technology
|
3 |
|
#31 |
|
Japan Registry Services Co., Ltd.
japan_registry_services
|
3 |
|
#32 |
|
Apple Inc.
apple_inc
|
3 |
|
#33 |
|
The Trustico Group Ltd
trustico_group_ltd
|
3 |
|
#34 |
|
Internet2
internet2
|
3 |
|
#35 |
|
GEANT Vereniging
geant_vereniging
|
3 |
|
#36 |
|
Gehirn Inc.
gehirn_inc
|
2 |
|
#37 |
|
GeoSSL, Inc.
geossl_inc
|
2 |
|
#38 |
|
FNMT-RCM
fnmt_rcm
|
2 |
|
#39 |
|
GoDaddy.com, Inc.
godaddy
|
2 |
|
#40 |
|
Cloudflare, Inc.
cloudflare_inc
|
1 |
|
#41 |
|
Soluciones Corporativas IP, SL
soluciones_corporativas_ip
|
1 |
|
#42 |
|
China Financial Certification Authority
cfca
|
1 |
|
#43 |
|
Certera LLC
certera_llc
|
1 |
|
#44 |
|
cPanel, Inc.
cpanel_inc
|
1 |
|
#45 |
|
IdenTrust
identrust
|
1 |
|
#46 |