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~/dnsniffer/issuers/meta-platforms·rank #181

▸ How many domains does Meta Platforms secure?

13

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

# rank #181 of all CAs ▲ 9 in 30d# all records held: 22# subdomains: 9# intermediates: 1# United States
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~/issuers/meta-platforms/history·active domains
13
domains secured by Meta Platforms on 2026-10-15 · ▲ +6 (+85.71%) since 2025-06-30
6.048.521113.4815.962025-06-30: 7 active2025-07-31: 14 active2025-08-31: 14 active2025-09-30: 14 active2025-10-31: 14 active2025-11-30: 14 active2025-12-31: 14 active2026-01-31: 14 active2026-02-28: 14 active2026-03-31: 14 active2026-04-30: 14 active2026-05-31: 14 active2026-06-30: 14 active2026-07-31: 14 active2026-08-31: 14 active2026-09-01: 13 active2026-09-02: 13 active2026-09-03: 9 active2026-09-04: 8 active2026-09-05: 8 active2026-09-06: 8 active2026-09-07: 8 active2026-09-08: 8 active2026-09-09: 8 active2026-09-10: 7 active2026-09-11: 7 active2026-09-12: 7 active2026-09-13: 7 active2026-09-14: 7 active2026-09-15: 7 active2026-09-16: 7 active2026-09-17: 7 active2026-09-18: 7 active2026-09-19: 7 active2026-09-20: 7 active2026-09-21: 7 active2026-09-22: 7 active2026-09-23: 7 active2026-09-24: 12 active2026-09-25: 12 active2026-09-26: 12 active2026-09-27: 12 active2026-09-28: 12 active2026-09-29: 13 active2026-09-30: 13 active2026-10-01: 13 active2026-10-02: 13 active2026-10-03: 13 active2026-10-04: 13 active2026-10-05: 13 active2026-10-06: 13 active2026-10-07: 13 active2026-10-08: 15 active2026-10-09: 13 active2026-10-10: 13 active2026-10-11: 13 active2026-10-12: 13 active2026-10-13: 13 active2026-10-14: 13 active2026-10-15: 13 active2025-06-302026-10-15

# y-axis starts at 6.04, 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
▲ +85.71%
+6 domains
90 days
▼ -7.14%
-1 domains
1 year
▼ -7.14%
-1 domains
# intermediate CAs
Intermediate certificate authorities operating under Meta Platforms, with the number of active domains each currently secures.
intermediatecountrydomains
DigiCert SHA2 High Assurance Server CAUnited States13
# faq
? How many domains does Meta Platforms secure?
Meta Platforms is the certificate authority for 13 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Meta Platforms gaining or losing market share?
The number of domains secured by Meta Platforms has shrunk by 7.14% over the last year (-1 domains).
? Which intermediate CAs does Meta Platforms sign from?
We have seen 1 intermediates under Meta Platforms, the busiest being “DigiCert SHA2 High Assurance Server CA” with 13 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.
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