dnsniffer.com
sign inget started→
~/dnsniffer/issuers/shanghai-electronic-certification-authority·rank #73

▸ How many domains does Shanghai Electronic Certification Authority secure?

1,950

active domains whose current TLS certificate was issued by Shanghai Electronic Certification Authority, as of - 0.00% of all attributed domains.

# rank #73 of all CAs ▼ 1 in 30d# all records held: 1,989# subdomains: 0# intermediates: 2
search domains download the certificate dataset
~/issuers/shanghai-electronic-certification-authority/history·active domains
1,950
domains secured by Shanghai Electronic Certification Authority on 2026-10-15 · ▲ +1,095 (+128.07%) since 2025-06-30
715.441.1K1.4K1.8K2.2K2025-06-30: 855 active2025-07-31: 1,340 active2025-08-31: 1,373 active2025-09-30: 1,403 active2025-10-31: 1,403 active2025-11-30: 1,403 active2025-12-31: 1,777 active2026-01-31: 1,864 active2026-02-28: 1,864 active2026-03-31: 1,864 active2026-04-30: 1,970 active2026-05-31: 1,983 active2026-06-30: 2,003 active2026-07-31: 2,012 active2026-08-31: 2,012 active2026-09-01: 2,017 active2026-09-02: 2,018 active2026-09-03: 2,012 active2026-09-04: 1,996 active2026-09-05: 1,990 active2026-09-06: 1,989 active2026-09-07: 1,965 active2026-09-08: 1,963 active2026-09-09: 1,964 active2026-09-10: 1,954 active2026-09-11: 1,957 active2026-09-12: 1,955 active2026-09-13: 1,956 active2026-09-14: 1,954 active2026-09-15: 1,953 active2026-09-16: 1,949 active2026-09-17: 1,947 active2026-09-18: 1,943 active2026-09-19: 1,945 active2026-09-20: 1,939 active2026-09-21: 1,940 active2026-09-22: 1,935 active2026-09-23: 1,937 active2026-09-24: 1,961 active2026-09-25: 1,959 active2026-09-26: 1,956 active2026-09-27: 1,949 active2026-09-28: 1,948 active2026-09-29: 1,948 active2026-09-30: 1,940 active2026-10-01: 1,937 active2026-10-02: 1,934 active2026-10-03: 1,933 active2026-10-04: 1,932 active2026-10-05: 1,933 active2026-10-06: 1,931 active2026-10-07: 1,934 active2026-10-08: 1,936 active2026-10-09: 1,935 active2026-10-10: 1,931 active2026-10-11: 1,934 active2026-10-12: 1,939 active2026-10-13: 1,935 active2026-10-14: 1,935 active2026-10-15: 1,950 active2025-06-302026-10-15

# y-axis starts at 715.44, 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
▼ -0.15%
-3 domains
90 days
▼ -2.65%
-53 domains
1 year
▲ +38.99%
+547 domains
# intermediate CAs
Intermediate certificate authorities operating under Shanghai Electronic Certification Authority, with the number of active domains each currently secures.
intermediatecountrydomains
DNSPod DV TLS RSA CA G1-1,852
Keymatic Secure Domain RSA CA G1-98
# faq
? How many domains does Shanghai Electronic Certification Authority secure?
Shanghai Electronic Certification Authority is the certificate authority for 1,950 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Shanghai Electronic Certification Authority gaining or losing market share?
The number of domains secured by Shanghai Electronic Certification Authority has grown by 38.99% over the last year (+547 domains).
? Which intermediate CAs does Shanghai Electronic Certification Authority sign from?
We have seen 2 intermediates under Shanghai Electronic Certification Authority, the busiest being “DNSPod DV TLS RSA CA G1” with 1,852 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.
all CAs rankedfastest growingfastest decliningTLD rankingsbulk datasets