digicert.com: what it tells AI crawlers

On 28 October 2026, digicert.com's robots.txt allowed all of GPTBot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, Google-Extended, PerplexityBot and CCBot; it also published llms.txt.

Last verified 2026-10-29 03:59 UTC (daily run of 2026-10-28). Proof for that day.

Panel

top 1k (Tranco)

robots.txt

ok (HTTP 200) · https://www.digicert.com/robots.txt
unchanged since 2026-10-26 · sha256 a139a54387d10bfd… · view as recorded

The * group

allows applies to every agent without its own group

Per AI bot, 2026-10-28

Other signals

llms.txt: "DigiCert", 8,395 bytes, 54 links.

robots.txt as recorded sha256 adf6178d5de21c85…

User-agent: *
Disallow: /custsupport/
Disallow: /help/ssl_check
Disallow: /offers/
Disallow: /analytics/
Disallow: /reports/
Disallow: /seals/
Disallow: /link/
Disallow: /ppc/
Disallow: /events/summit-2014/
Disallow: /order/discovery/
Disallow: /secure/
Disallow: /services/
Disallow: /events/dcab-2016/
Disallow: /account/sso/
Disallow: /account/saml-guest-request/
Disallow: /new-customer-review-appreciation.htm
Disallow: /customer-5-year-anniversary.htm
Disallow: /partners/exclusive/



User-agent: AdsBot-Google
Allow: /ppc/

Sitemap: https://www.digicert.com/sitemap.xml
Sitemap: https://www.digicert.com/es/sitemap.xml

robots.txt versions

Timeline of changes

Reconstructed history (Common Crawl)

From Common Crawl's robots.txt captures: what CCBot was served, one crawl per quarter. A separate series from the daily observations above; a 403 here means Common Crawl was refused, not this ledger.

Evidence

Every daily observation of digicert.com is a leaf in that day's Merkle tree. Proof of the robots.txt line for 2026-10-28: audit path (JSON), day root and OpenTimestamps proof (complete (bitcoin block 973640)).

API: https://infrarabbit.com/crawlers/api/v1/policy/digicert.com