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~/dnsniffer/issuers/shenzhen-digital-certificate-authority-center-co·rank #144

▸ How many domains does Shenzhen Digital Certificate Authority Center Co secure?

80

active domains whose current TLS certificate was issued by Shenzhen Digital Certificate Authority Center Co, as of - 0.00% of all attributed domains.

# rank #144 of all CAs ▼ 7 in 30d# all records held: 82# subdomains: 0# intermediates: 2# China
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~/issuers/shenzhen-digital-certificate-authority-center-co/history·active domains
80
domains secured by Shenzhen Digital Certificate Authority Center Co on 2026-10-15 · ▲ +69 (+627.27%) since 2025-06-30
2.2424.8747.570.1392.762025-06-30: 11 active2025-07-31: 62 active2025-08-31: 62 active2025-09-30: 62 active2025-10-31: 62 active2025-11-30: 62 active2025-12-31: 67 active2026-01-31: 67 active2026-02-28: 67 active2026-03-31: 67 active2026-04-30: 69 active2026-05-31: 69 active2026-06-30: 69 active2026-07-31: 70 active2026-08-31: 70 active2026-09-01: 70 active2026-09-02: 70 active2026-09-03: 70 active2026-09-04: 71 active2026-09-05: 71 active2026-09-06: 71 active2026-09-07: 71 active2026-09-08: 72 active2026-09-09: 73 active2026-09-10: 73 active2026-09-11: 76 active2026-09-12: 76 active2026-09-13: 75 active2026-09-14: 75 active2026-09-15: 78 active2026-09-16: 78 active2026-09-17: 78 active2026-09-18: 78 active2026-09-19: 78 active2026-09-20: 78 active2026-09-21: 78 active2026-09-22: 79 active2026-09-23: 79 active2026-09-24: 82 active2026-09-25: 82 active2026-09-26: 82 active2026-09-27: 82 active2026-09-28: 82 active2026-09-29: 84 active2026-09-30: 84 active2026-10-01: 84 active2026-10-02: 84 active2026-10-03: 84 active2026-10-04: 84 active2026-10-05: 84 active2026-10-06: 84 active2026-10-07: 84 active2026-10-08: 82 active2026-10-09: 82 active2026-10-10: 82 active2026-10-11: 82 active2026-10-12: 82 active2026-10-13: 82 active2026-10-14: 81 active2026-10-15: 80 active2025-06-302026-10-15

# y-axis starts at 2.24, not zero - domain counts move by fractions of a percent a day. Dashed segments are estimated: reconstructed from certificate first-seen dates before daily snapshots began, not measured on the day.

# change over time
30 days
▲ +2.56%
+2 domains
90 days
▲ +15.94%
+11 domains
1 year
▲ +29.03%
+18 domains
# intermediate CAs
Intermediate certificate authorities operating under Shenzhen Digital Certificate Authority Center Co, with the number of active domains each currently secures.
intermediatecountrydomains
SZCA OV SSL CAChina54
SZCA DV SSL CAChina26
# faq
? How many domains does Shenzhen Digital Certificate Authority Center Co secure?
Shenzhen Digital Certificate Authority Center Co is the certificate authority for 80 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Shenzhen Digital Certificate Authority Center Co gaining or losing market share?
The number of domains secured by Shenzhen Digital Certificate Authority Center Co has grown by 29.03% over the last year (+18 domains).
? Which intermediate CAs does Shenzhen Digital Certificate Authority Center Co sign from?
We have seen 2 intermediates under Shenzhen Digital Certificate Authority Center Co, the busiest being “SZCA OV SSL CA” with 54 domains. The full list, with per-intermediate counts, is on this page.
? Where does this number come from?
DNSniffer ingests Certificate Transparency logs continuously and records the issuer of the most recent certificate seen for each domain, then snapshots the per-issuer count once a day. It measures how much of the live web a CA currently secures, not how many certificates it has issued over its lifetime.
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