~/dnsniffer/issuers/firmaprofesional·rank #112
$ dnsniffer count --issuer firmaprofesional --active
▸ How many domains does Firmaprofesional secure?
258
active domains whose current TLS certificate was issued by Firmaprofesional, as of — 0.00% of all attributed domains.
# rank #112 of all CAs# all records held: 262# subdomains: 0# intermediates: 3# Spain
~/issuers/firmaprofesional/history·active domains
258
domains secured by Firmaprofesional on 2026-08-31 · ▲ +128 (+98.46%) since 2025-06-30
# y-axis starts at 114.64, 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
▲ +1.57%
+4 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| AC Firmaprofesional - Secure Web 2025 | Spain | 256 |
| AC Firmaprofesional - Secure Web 2024 | Spain | 2 |
| AC Firmaprofesional - Secure Web 2022 | Spain | 0 |
# faq
- ? How many domains does Firmaprofesional secure?
- Firmaprofesional is the certificate authority for 258 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Firmaprofesional gaining or losing market share?
- The number of domains secured by Firmaprofesional has grown by 1.57% over the last year (+4 domains).
- ? Which intermediate CAs does Firmaprofesional sign from?
- We have seen 3 intermediates under Firmaprofesional, the busiest being “AC Firmaprofesional - Secure Web 2025” with 256 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.