dnsniffer.com
sign inget started→
~/dnsniffer/issuers/starfield-technologies·rank #12

▸ How many domains does Starfield Technologies secure?

196,625

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: 201,373# subdomains: 13,726# intermediates: 4# United States
search domains download the certificate dataset
~/issuers/starfield-technologies/history·active domains
196,625
domains secured by Starfield Technologies on 2026-10-15 · ▲ +117,352 (+148.04%) since 2025-06-30
64.8K102.2K139.7K177.2K214.7K2025-06-30: 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 active2026-09-01: 180,775 active2026-09-02: 180,631 active2026-09-03: 180,546 active2026-09-04: 180,461 active2026-09-05: 180,713 active2026-09-06: 180,855 active2026-09-07: 181,001 active2026-09-08: 181,245 active2026-09-09: 181,564 active2026-09-10: 181,971 active2026-09-11: 182,232 active2026-09-12: 182,293 active2026-09-13: 182,315 active2026-09-14: 182,588 active2026-09-15: 182,845 active2026-09-16: 183,068 active2026-09-17: 183,565 active2026-09-18: 183,955 active2026-09-19: 184,087 active2026-09-20: 184,361 active2026-09-21: 184,476 active2026-09-22: 184,256 active2026-09-23: 184,262 active2026-09-24: 194,648 active2026-09-25: 194,146 active2026-09-26: 200,194 active2026-09-27: 199,735 active2026-09-28: 199,380 active2026-09-29: 198,948 active2026-09-30: 198,382 active2026-10-01: 198,297 active2026-10-02: 197,921 active2026-10-03: 197,622 active2026-10-04: 197,567 active2026-10-05: 197,480 active2026-10-06: 197,681 active2026-10-07: 197,464 active2026-10-08: 197,195 active2026-10-09: 196,992 active2026-10-10: 196,863 active2026-10-11: 196,663 active2026-10-12: 196,313 active2026-10-13: 195,976 active2026-10-14: 195,941 active2026-10-15: 196,625 active2025-06-302026-10-15

# y-axis starts at 64.8K, 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
▲ +7.54%
+13,780 domains
90 days
▲ +9.27%
+16,674 domains
1 year
▲ +16.48%
+27,815 domains
# intermediate CAs
Intermediate certificate authorities operating under Starfield Technologies, with the number of active domains each currently secures.
intermediatecountrydomains
Starfield TLS Intermediate CA DV - R1v1United States122,848
Starfield Secure Certificate Authority - G2United States72,462
Starfield TLS Intermediate CA OV - R1v1United States1,158
Starfield TLS Intermediate CA EV - R1v1United States157
# faq
? How many domains does Starfield Technologies secure?
Starfield Technologies is the certificate authority for 196,625 active domains as of October 15, 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 16.48% over the last year (+27,815 domains).
? Which intermediate CAs does Starfield Technologies sign from?
We have seen 4 intermediates under Starfield Technologies, the busiest being “Starfield TLS Intermediate CA DV - R1v1” with 122,848 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