~/dnsniffer/issuers/rede-nacional-de-ensino-e-pesquisa-rnp·rank #143
$ dnsniffer count --issuer rede-nacional-de-ensino-e-pesquisa-rnp --active
▸ How many domains does Rede Nacional de Ensino e Pesquisa - RNP secure?
76
active domains whose current TLS certificate was issued by Rede Nacional de Ensino e Pesquisa - RNP, as of — 0.00% of all attributed domains.
# rank #143 of all CAs# all records held: 80# subdomains: 273# intermediates: 3# Brazil
~/issuers/rede-nacional-de-ensino-e-pesquisa-rnp/history·active domains
76
domains secured by Rede Nacional de Ensino e Pesquisa - RNP on 2026-08-31 · ▲ +33 (+76.74%) since 2025-06-30
# y-axis starts at 39.04, 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
▲ +1.33%
+1 domains
90 days
▲ +1.33%
+1 domains
1 year
▲ +2.70%
+2 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| RNP ICPEdu GR46 OV TLS CA 2025 | Brazil | 71 |
| RNP ICPEdu OV SSL CA 2019 | Brazil | 5 |
| RNP ICPEdu AR46 OV TLS CA 2025 | Brazil | 0 |
# faq
- ? How many domains does Rede Nacional de Ensino e Pesquisa - RNP secure?
- Rede Nacional de Ensino e Pesquisa - RNP is the certificate authority for 76 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Rede Nacional de Ensino e Pesquisa - RNP gaining or losing market share?
- The number of domains secured by Rede Nacional de Ensino e Pesquisa - RNP has grown by 2.70% over the last year (+2 domains).
- ? Which intermediate CAs does Rede Nacional de Ensino e Pesquisa - RNP sign from?
- We have seen 3 intermediates under Rede Nacional de Ensino e Pesquisa - RNP, the busiest being “RNP ICPEdu GR46 OV TLS CA 2025” with 71 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.