~/dnsniffer/issuers/sectigo-europe-sl·rank #116
$ dnsniffer count --issuer sectigo-europe-sl --active
▸ How many domains does Sectigo (Europe) SL secure?
184
active domains whose current TLS certificate was issued by Sectigo (Europe) SL, as of — 0.00% of all attributed domains.
# rank #116 of all CAs# all records held: 184# subdomains: 2# intermediates: 2# Spain
~/issuers/sectigo-europe-sl/history·active domains
184
domains secured by Sectigo (Europe) SL on 2026-08-31 · ▲ +81 (+78.64%) since 2025-06-30
# y-axis starts at 93.28, 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
▲ +0.55%
+1 domains
90 days
▲ +2.79%
+5 domains
1 year
▲ +6.36%
+11 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| Sectigo Qualified Website Authentication CA R39 | Spain | 134 |
| Sectigo Qualified Website Authentication CA R35 | Spain | 50 |
# faq
- ? How many domains does Sectigo (Europe) SL secure?
- Sectigo (Europe) SL is the certificate authority for 184 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Sectigo (Europe) SL gaining or losing market share?
- The number of domains secured by Sectigo (Europe) SL has grown by 6.36% over the last year (+11 domains).
- ? Which intermediate CAs does Sectigo (Europe) SL sign from?
- We have seen 2 intermediates under Sectigo (Europe) SL, the busiest being “Sectigo Qualified Website Authentication CA R39” with 134 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.