~/dnsniffer/issuers/starfield-technologies·rank #12
$ dnsniffer count --issuer starfield-technologies --active

How many domains does Starfield Technologies secure?

180,707

active domains whose current TLS certificate was issued by Starfield Technologies, as of 0.08% of all attributed domains.

# rank #12 of all CAs# all records held: 196,561# subdomains: 13,726# intermediates: 4# United States
~/issuers/starfield-technologies/history·active domains
180,707
domains secured by Starfield Technologies on 2026-08-31 · +101,434 (+127.96%) since 2025-06-30
67K99K130K161K193K2025-06-30: 79,273 active2025-07-31: 168,590 active2025-08-31: 168,727 active2025-09-30: 168,810 active2025-10-31: 168,810 active2025-11-30: 168,810 active2025-12-31: 172,365 active2026-01-31: 174,581 active2026-02-28: 174,581 active2026-03-31: 174,581 active2026-04-30: 177,678 active2026-05-31: 178,970 active2026-06-30: 179,951 active2026-07-31: 180,711 active2026-08-31: 180,707 active2025-06-302026-08-31

# y-axis starts at 67K, 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%
-4 domains
90 days
+0.97%
+1,737 domains
1 year
+7.10%
+11,980 domains
# intermediate CAs
Intermediate certificate authorities operating under Starfield Technologies, with the number of active domains each currently secures.
intermediatecountrydomains
Starfield Secure Certificate Authority - G2United States92,889
Starfield TLS Intermediate CA DV - R1v1United States87,388
Starfield TLS Intermediate CA OV - R1v1United States380
Starfield TLS Intermediate CA EV - R1v1United States50
# faq
? How many domains does Starfield Technologies secure?
Starfield Technologies is the certificate authority for 180,707 active domains as of August 31, 2026 — 0.08% of every domain DNSniffer can attribute to an issuer.
? Is Starfield Technologies gaining or losing market share?
The number of domains secured by Starfield Technologies has grown by 7.10% over the last year (+11,980 domains).
? Which intermediate CAs does Starfield Technologies sign from?
We have seen 4 intermediates under Starfield Technologies, the busiest being “Starfield Secure Certificate Authority - G2” with 92,889 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.