~/dnsniffer/issuers/affirmtrust·rank #199

▸ How many domains does AffirmTrust secure?

6

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

# rank #199 of all CAs ▼ 3 in 30d# all records held: 6# subdomains: 66# intermediates: 4# Canada
~/issuers/affirmtrust/history·active domains
6
domains secured by AffirmTrust on 2026-10-15 · ▲ +5 (+500.00%) since 2025-06-30
0.41.953.55.056.62025-06-30: 1 active2025-07-31: 5 active2025-08-31: 5 active2025-09-30: 5 active2025-10-31: 5 active2025-11-30: 5 active2025-12-31: 5 active2026-01-31: 5 active2026-02-28: 5 active2026-03-31: 5 active2026-04-30: 5 active2026-05-31: 5 active2026-06-30: 5 active2026-07-31: 5 active2026-08-31: 5 active2026-09-01: 5 active2026-09-02: 5 active2026-09-03: 5 active2026-09-04: 5 active2026-09-05: 5 active2026-09-06: 5 active2026-09-07: 5 active2026-09-08: 5 active2026-09-09: 5 active2026-09-10: 4 active2026-09-11: 4 active2026-09-12: 4 active2026-09-13: 4 active2026-09-14: 4 active2026-09-15: 4 active2026-09-16: 2 active2026-09-17: 2 active2026-09-18: 2 active2026-09-19: 2 active2026-09-20: 2 active2026-09-21: 2 active2026-09-22: 2 active2026-09-23: 2 active2026-09-24: 6 active2026-09-25: 6 active2026-09-26: 6 active2026-09-27: 6 active2026-09-28: 6 active2026-09-29: 6 active2026-09-30: 6 active2026-10-01: 6 active2026-10-02: 6 active2026-10-03: 6 active2026-10-04: 6 active2026-10-05: 6 active2026-10-06: 6 active2026-10-07: 6 active2026-10-08: 6 active2026-10-09: 6 active2026-10-10: 6 active2026-10-11: 6 active2026-10-12: 6 active2026-10-13: 6 active2026-10-14: 6 active2026-10-15: 6 active2025-06-302026-10-15

# y-axis starts at 0.4, 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
▲ +50.00%
+2 domains
90 days
▲ +20.00%
+1 domains
1 year
▲ +20.00%
+1 domains
# intermediate CAs
Intermediate certificate authorities operating under AffirmTrust, with the number of active domains each currently secures.
intermediatecountrydomains
AffirmTrust Certificate Authority - DV1Canada6
AffirmTrust Extended Validation CA - EV1Canada0
AffirmTrust Extended Validation CA - EV2Canada0
AffirmTrust Extended Validation CA - EV3Canada0
# faq
? How many domains does AffirmTrust secure?
AffirmTrust is the certificate authority for 6 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is AffirmTrust gaining or losing market share?
The number of domains secured by AffirmTrust has grown by 20.00% over the last year (+1 domains).
? Which intermediate CAs does AffirmTrust sign from?
We have seen 4 intermediates under AffirmTrust, the busiest being “AffirmTrust Certificate Authority - DV1” with 6 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.