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~/dnsniffer/issuers/keysec-ltda·rank #169

▸ How many domains does KEYSEC LTDA secure?

31

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

# rank #169 of all CAs ▼ 4 in 30d# all records held: 31# subdomains: 3# intermediates: 2# Brazil
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~/issuers/keysec-ltda/history·active domains
31
domains secured by KEYSEC LTDA on 2026-10-15 · ▲ +25 (+416.67%) since 2025-06-30
2.7611.1319.527.8736.242025-06-30: 6 active2025-07-31: 28 active2025-08-31: 29 active2025-09-30: 29 active2025-10-31: 29 active2025-11-30: 29 active2025-12-31: 29 active2026-01-31: 30 active2026-02-28: 30 active2026-03-31: 30 active2026-04-30: 30 active2026-05-31: 31 active2026-06-30: 32 active2026-07-31: 32 active2026-08-31: 32 active2026-09-01: 32 active2026-09-02: 32 active2026-09-03: 33 active2026-09-04: 32 active2026-09-05: 32 active2026-09-06: 30 active2026-09-07: 29 active2026-09-08: 29 active2026-09-09: 29 active2026-09-10: 29 active2026-09-11: 29 active2026-09-12: 28 active2026-09-13: 28 active2026-09-14: 28 active2026-09-15: 28 active2026-09-16: 27 active2026-09-17: 27 active2026-09-18: 27 active2026-09-19: 27 active2026-09-20: 27 active2026-09-21: 26 active2026-09-22: 26 active2026-09-23: 25 active2026-09-24: 25 active2026-09-25: 26 active2026-09-26: 26 active2026-09-27: 26 active2026-09-28: 26 active2026-09-29: 26 active2026-09-30: 26 active2026-10-01: 26 active2026-10-02: 26 active2026-10-03: 26 active2026-10-04: 26 active2026-10-05: 26 active2026-10-06: 26 active2026-10-07: 26 active2026-10-08: 33 active2026-10-09: 33 active2026-10-10: 33 active2026-10-11: 33 active2026-10-12: 32 active2026-10-13: 32 active2026-10-14: 31 active2026-10-15: 31 active2025-06-302026-10-15

# y-axis starts at 2.76, 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
▲ +10.71%
+3 domains
90 days
▼ -3.13%
-1 domains
1 year
▲ +6.90%
+2 domains
# intermediate CAs
Intermediate certificate authorities operating under KEYSEC LTDA, with the number of active domains each currently secures.
intermediatecountrydomains
Keysec GR3 OV TLS CA 2024Brazil31
Keysec GR3 EV TLS CA 2024Brazil0
# faq
? How many domains does KEYSEC LTDA secure?
KEYSEC LTDA is the certificate authority for 31 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is KEYSEC LTDA gaining or losing market share?
The number of domains secured by KEYSEC LTDA has grown by 6.90% over the last year (+2 domains).
? Which intermediate CAs does KEYSEC LTDA sign from?
We have seen 2 intermediates under KEYSEC LTDA, the busiest being “Keysec GR3 OV TLS CA 2024” with 31 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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