~/dnsniffer/issuers/servico-federal-de-processamento-de-dados-serpro·rank #193
$ dnsniffer count --issuer servico-federal-de-processamento-de-dados-serpro --active
▸ How many domains does SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) secure?
6
active domains whose current TLS certificate was issued by SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), as of — 0.00% of all attributed domains.
# rank #193 of all CAs# all records held: 6# subdomains: 0# intermediates: 1# Brazil
~/issuers/servico-federal-de-processamento-de-dados-serpro/history·active domains
6
domains secured by SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) on 2026-08-31 · ▲ +0 (+0.00%) since 2025-07-31
# y-axis starts at 5, 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
▲ +0.00%
+0 domains
90 days
▲ +0.00%
+0 domains
1 year
▲ +0.00%
+0 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| AC SERPRO AR46 OV TLS CA 2025 | Brazil | 6 |
# faq
- ? How many domains does SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) secure?
- SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) is the certificate authority for 6 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) gaining or losing market share?
- The number of domains secured by SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) has grown by 0.00% over the last year (+0 domains).
- ? Which intermediate CAs does SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) sign from?
- We have seen 1 intermediate under SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), the busiest being “AC SERPRO AR46 OV TLS CA 2025” with 6 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.