dnsniffer.com
sign inget started→
~/dnsniffer/issuers/servico-federal-de-processamento-de-dados-serpro·rank #191

▸ How many domains does SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) secure?

10

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 #191 of all CAs ▼ 4 in 30d# all records held: 10# subdomains: 0# intermediates: 1# Brazil
search domains download the certificate dataset
~/issuers/servico-federal-de-processamento-de-dados-serpro/history·active domains
10
domains secured by SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) on 2026-10-16 · ▲ +4 (+66.67%) since 2025-07-31
5.167.339.511.6713.842025-07-31: 6 active2025-08-31: 6 active2025-09-30: 6 active2025-10-31: 6 active2025-11-30: 6 active2025-12-31: 6 active2026-01-31: 6 active2026-02-28: 6 active2026-03-31: 6 active2026-04-30: 6 active2026-05-31: 6 active2026-06-30: 6 active2026-07-31: 6 active2026-08-31: 6 active2026-09-01: 7 active2026-09-02: 7 active2026-09-03: 8 active2026-09-04: 10 active2026-09-05: 11 active2026-09-06: 9 active2026-09-07: 9 active2026-09-08: 9 active2026-09-09: 9 active2026-09-10: 11 active2026-09-11: 10 active2026-09-12: 10 active2026-09-13: 10 active2026-09-14: 10 active2026-09-15: 10 active2026-09-16: 10 active2026-09-17: 10 active2026-09-18: 10 active2026-09-19: 10 active2026-09-20: 10 active2026-09-21: 10 active2026-09-22: 10 active2026-09-23: 10 active2026-09-24: 10 active2026-09-25: 10 active2026-09-26: 9 active2026-09-27: 9 active2026-09-28: 9 active2026-09-29: 9 active2026-09-30: 9 active2026-10-01: 9 active2026-10-02: 10 active2026-10-03: 9 active2026-10-04: 9 active2026-10-05: 8 active2026-10-06: 9 active2026-10-07: 9 active2026-10-08: 9 active2026-10-09: 9 active2026-10-10: 13 active2026-10-11: 11 active2026-10-12: 11 active2026-10-13: 11 active2026-10-14: 11 active2026-10-15: 11 active2026-10-16: 10 active2025-07-312026-10-16

# y-axis starts at 5.16, 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
▲ +66.67%
+4 domains
1 year
▲ +66.67%
+4 domains
# intermediate CAs
Intermediate certificate authorities operating under SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), with the number of active domains each currently secures.
intermediatecountrydomains
AC SERPRO AR46 OV TLS CA 2025Brazil10
# 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 10 active domains as of October 16, 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 66.67% over the last year (+4 domains).
? Which intermediate CAs does SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO) sign from?
We have seen 1 intermediates under SERVICO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), the busiest being “AC SERPRO AR46 OV TLS CA 2025” with 10 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.
all CAs rankedfastest growingfastest decliningTLD rankingsbulk datasets