~/dnsniffer/issuers/digicert-ireland·rank #82
$ dnsniffer count --issuer digicert-ireland --active

How many domains does DigiCert Ireland secure?

1,320

active domains whose current TLS certificate was issued by DigiCert Ireland, as of 0.00% of all attributed domains.

# rank #82 of all CAs# all records held: 1,344# subdomains: 0# intermediates: 8# Ireland
~/issuers/digicert-ireland/history·active domains
1,320
domains secured by DigiCert Ireland on 2026-08-31 · +885 (+203.45%) since 2025-06-30
328.8603.1500000000001877.51K1K2025-06-30: 435 active2025-07-31: 1,161 active2025-08-31: 1,172 active2025-09-30: 1,173 active2025-10-31: 1,173 active2025-11-30: 1,173 active2025-12-31: 1,210 active2026-01-31: 1,224 active2026-02-28: 1,224 active2026-03-31: 1,224 active2026-04-30: 1,234 active2026-05-31: 1,234 active2026-06-30: 1,236 active2026-07-31: 1,320 active2026-08-31: 1,320 active2025-06-302026-08-31

# y-axis starts at 328.8, 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
+6.97%
+86 domains
1 year
+12.63%
+148 domains
# intermediate CAs
Intermediate certificate authorities operating under DigiCert Ireland, with the number of active domains each currently secures.
intermediatecountrydomains
DigiCert QuoVadis 2G3 TLS RSA4096 SHA384 2023 CA1Ireland1,086
GeoTrust Global G2 TLS EUR RSA4096 SHA384 2023 CA1Ireland153
DigiCert G3 TLS EU ECC P-384 SHA384 2022 CA1Ireland44
DigiCert G5 TLS EU RSA4096 SHA384 2022 CA1Ireland36
DigiCert G5 TLS EU ECC P-384 SHA384 2022 CA1Ireland1
GeoTrust Global G3 TLS EUR ECC P384 SHA384 2023 CA1Ireland0
DigiCert QuoVadis G4 TLS RSA4096 SHA384 2023 CA1Ireland0
DigiCert QuoVadis G4 TLS ECC P384 SHA384 2023 CA1Ireland0
# faq
? How many domains does DigiCert Ireland secure?
DigiCert Ireland is the certificate authority for 1,320 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
? Is DigiCert Ireland gaining or losing market share?
The number of domains secured by DigiCert Ireland has grown by 12.63% over the last year (+148 domains).
? Which intermediate CAs does DigiCert Ireland sign from?
We have seen 8 intermediates under DigiCert Ireland, the busiest being “DigiCert QuoVadis 2G3 TLS RSA4096 SHA384 2023 CA1” with 1,086 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.