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~/dnsniffer/issuers/hongkong-post·rank #91

▸ How many domains does Hongkong Post secure?

898

active domains whose current TLS certificate was issued by Hongkong Post, as of - 0.00% of all attributed domains.

# rank #91 of all CAs ▼ 5 in 30d# all records held: 924# subdomains: 97# intermediates: 2# Hong Kong SAR China
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~/issuers/hongkong-post/history·active domains
898
domains secured by Hongkong Post on 2026-10-15 · ▲ +590 (+191.56%) since 2025-06-30
236.96420.48604787.52971.042025-06-30: 308 active2025-07-31: 827 active2025-08-31: 828 active2025-09-30: 831 active2025-10-31: 831 active2025-11-30: 831 active2025-12-31: 852 active2026-01-31: 859 active2026-02-28: 859 active2026-03-31: 859 active2026-04-30: 875 active2026-05-31: 877 active2026-06-30: 879 active2026-07-31: 884 active2026-08-31: 884 active2026-09-01: 883 active2026-09-02: 900 active2026-09-03: 888 active2026-09-04: 887 active2026-09-05: 887 active2026-09-06: 885 active2026-09-07: 884 active2026-09-08: 881 active2026-09-09: 882 active2026-09-10: 885 active2026-09-11: 886 active2026-09-12: 885 active2026-09-13: 885 active2026-09-14: 884 active2026-09-15: 886 active2026-09-16: 892 active2026-09-17: 885 active2026-09-18: 883 active2026-09-19: 881 active2026-09-20: 881 active2026-09-21: 878 active2026-09-22: 881 active2026-09-23: 882 active2026-09-24: 893 active2026-09-25: 887 active2026-09-26: 885 active2026-09-27: 885 active2026-09-28: 888 active2026-09-29: 891 active2026-09-30: 890 active2026-10-01: 893 active2026-10-02: 890 active2026-10-03: 890 active2026-10-04: 888 active2026-10-05: 887 active2026-10-06: 888 active2026-10-07: 895 active2026-10-08: 895 active2026-10-09: 897 active2026-10-10: 896 active2026-10-11: 893 active2026-10-12: 893 active2026-10-13: 894 active2026-10-14: 895 active2026-10-15: 898 active2025-06-302026-10-15

# y-axis starts at 236.96, 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
▲ +1.35%
+12 domains
90 days
▲ +2.16%
+19 domains
1 year
▲ +8.06%
+67 domains
# intermediate CAs
Intermediate certificate authorities operating under Hongkong Post, with the number of active domains each currently secures.
intermediatecountrydomains
Hongkong Post e-Cert SSL CA 3 - 17Hong Kong SAR China895
Hongkong Post e-Cert EV SSL CA 3 - 17Hong Kong SAR China3
# faq
? How many domains does Hongkong Post secure?
Hongkong Post is the certificate authority for 898 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Hongkong Post gaining or losing market share?
The number of domains secured by Hongkong Post has grown by 8.06% over the last year (+67 domains).
? Which intermediate CAs does Hongkong Post sign from?
We have seen 2 intermediates under Hongkong Post, the busiest being “Hongkong Post e-Cert SSL CA 3 - 17” with 895 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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