~/dnsniffer/issuers/rede-nacional-de-ensino-e-pesquisa-rnp·rank #135
▸ How many domains does Rede Nacional de Ensino e Pesquisa - RNP secure?
93
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 #135 of all CAs ▲ 5 in 30d# all records held: 96# subdomains: 273# intermediates: 3# Brazil
~/issuers/rede-nacional-de-ensino-e-pesquisa-rnp/history·active domains
93
domains secured by Rede Nacional de Ensino e Pesquisa - RNP on 2026-10-15 · ▲ +50 (+116.28%) since 2025-06-30
# y-axis starts at 35.32, 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
▲ +25.68%
+19 domains
90 days
▲ +24.00%
+18 domains
1 year
▲ +25.68%
+19 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| RNP ICPEdu GR46 OV TLS CA 2025 | Brazil | 88 |
| 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 93 active domains as of October 15, 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 25.68% over the last year (+19 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 88 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.