~/dnsniffer/issuers/entrust·rank #73

▸ How many domains does Entrust secure?

1,938

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

# rank #73 of all CAs ▲ 1 in 30d# all records held: 2,265# subdomains: 55,603# intermediates: 7# United States, Canada
~/issuers/entrust/history·active domains
1,938
domains secured by Entrust on 2026-10-14 · ▲ +556 (+40.23%) since 2025-06-30
1.3K1.5K1.8K2.0K2.3K2025-06-30: 1,382 active2025-07-31: 1,991 active2025-08-31: 1,991 active2025-09-30: 1,992 active2025-10-31: 1,992 active2025-11-30: 1,992 active2025-12-31: 2,002 active2026-01-31: 2,005 active2026-02-28: 2,005 active2026-03-31: 2,005 active2026-04-30: 2,014 active2026-05-31: 2,018 active2026-06-30: 2,021 active2026-07-31: 2,022 active2026-08-31: 2,021 active2026-09-01: 2,020 active2026-09-02: 2,004 active2026-09-03: 1,955 active2026-09-04: 1,923 active2026-09-05: 1,911 active2026-09-06: 1,897 active2026-09-07: 1,874 active2026-09-08: 1,862 active2026-09-09: 1,853 active2026-09-10: 1,868 active2026-09-11: 1,843 active2026-09-12: 1,811 active2026-09-13: 1,805 active2026-09-14: 1,796 active2026-09-15: 1,825 active2026-09-16: 1,816 active2026-09-17: 1,805 active2026-09-18: 1,796 active2026-09-19: 1,785 active2026-09-20: 1,770 active2026-09-21: 1,769 active2026-09-22: 1,797 active2026-09-23: 1,790 active2026-09-24: 2,164 active2026-09-25: 2,145 active2026-09-26: 2,129 active2026-09-27: 2,117 active2026-09-28: 2,088 active2026-09-29: 2,037 active2026-09-30: 1,951 active2026-10-01: 1,939 active2026-10-02: 1,955 active2026-10-03: 1,904 active2026-10-04: 1,879 active2026-10-05: 1,872 active2026-10-06: 1,898 active2026-10-07: 1,900 active2026-10-08: 1,924 active2026-10-09: 1,922 active2026-10-10: 1,949 active2026-10-11: 1,929 active2026-10-12: 1,920 active2026-10-13: 1,919 active2026-10-14: 1,938 active2025-06-302026-10-14

# y-axis starts at 1.3K, 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
▲ +7.91%
+142 domains
90 days
▼ -4.11%
-83 domains
1 year
▼ -2.71%
-54 domains
# intermediate CAs
Intermediate certificate authorities operating under Entrust, with the number of active domains each currently secures.
intermediatecountrydomains
Entrust Certification Authority - L1KUnited States888
Entrust DV TLS Issuing RSA CA 2-733
Entrust EV TLS Issuing RSA CA 2Canada185
Entrust Certification Authority - L1MUnited States132
Entrust Certification Authority - L1NUnited States0
Entrust 4K TLS Certification Authority - EVTLS1United States0
Entrust Certification Authority - L1EUnited States0
# faq
? How many domains does Entrust secure?
Entrust is the certificate authority for 1,938 active domains as of October 14, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Entrust gaining or losing market share?
The number of domains secured by Entrust has shrunk by 2.71% over the last year (-54 domains).
? Which intermediate CAs does Entrust sign from?
We have seen 7 intermediates under Entrust, the busiest being “Entrust Certification Authority - L1K” with 888 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.