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 91bb25ed798879de…

# Welcome to DigiCert
# Think you have what it takes to join the best team in the world?
# Check out our careers while you're here
# https://www.digicert.com/careers
# Or check out our YouTube channel for our latest
# https://www.youtube.com/user/DigiCertSSL

User-agent: *
Disallow: /account/sso/idp
Disallow: /account/saml-guest-request/idp
Disallow: /webinars/*
Disallow: /seals/
Disallow: /link/
Disallow: /secure/*
Disallow: /services/*
Disallow: /in-console-ssm
Disallow: /jp/sid-partner*
Disallow: /ppc/
Disallow: /ru/
Disallow: /ar/
Disallow: /dc/blog/*
Disallow: /dc/news/*
Disallow: /author/*
Disallow: /tag/*
Disallow: /clients/*
Disallow: /voucher/*
Disallow: /bios*
Disallow: /direct/*
Disallow: /*thank
Disallow: /*.xls$
Disallow: /*.docx$
Disallow: /language-masters/*
Disallow: /link*
Disallow: /*feed

Allow: /*.js
Allow: /*.css

User-agent: AdsBot-Google
Disallow:

User-agent: Googlebot-Image
Disallow:

Sitemap: https://www.digicert.com/sitemap.xml
Sitemap: https://www.digicert.com/cn/sitemap.xml
Sitemap: https://www.digicert.com/de/sitemap.xml
Sitemap: https://www.digicert.com/es/sitemap.xml
Sitemap: https://www.digicert.com/fr/sitemap.xml
Sitemap: https://www.digicert.com/it/sitemap.xml
Sitemap: https://www.digicert.com/jp/sitemap.xml
Sitemap: https://www.digicert.com/kr/sitemap.xml
Sitemap: https://www.digicert.com/nl/sitemap.xml
Sitemap: https://www.digicert.com/tw/sitemap.xml
Sitemap: https://www.digicert.com/pt/sitemap.xml
Sitemap: https://www.digicert.com/kb/sitemap.xml
Sitemap: https://www.digicert.com/faq/sitemap.xml
Sitemap: https://www.digicert.com/news/sitemap.xml
Sitemap: https://www.digicert.com/blog/sitemap.xml

# Bot Requests

User-agent: AhrefsBot
Disallow: /

User-agent: ahrefsbot
Disallow: /

User-agent: XoviBot
Disallow: /

User-agent: BLEXBot
Disallow: /

User-agent: DotBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: Xenu's
Disallow: /

User-agent: Xenu's Link Sleuth 1.1c
Disallow: /

User-agent: Zeus
Disallow: /

User-agent: Zeus 32297 Webster Pro V2.9 Win32
Disallow: /

User-agent: YandexBot
Disallow: /

User-agent: YandexDirect
Disallow: /

User-agent: YandexBlogs
Disallow: /

User-agent: YaDirectFetcher
Disallow: /

User-agent: YandexNews
Disallow: /

User-agent: YandexPagechecker
Disallow: /

User-agent: YandexMetrika
Disallow: /

User-agent: YandexMedia
Disallow: /

User-agent: Updownerbot
Disallow: /

User-agent: Blekkobot
Disallow: /

User-agent: 008
Disallow: /

User-agent: WebInspector
Disallow: /account/sso/idp
Disallow: /account/saml-guest-request/idp
Disallow: /webinars/*
Disallow: /seals/
Disallow: /link/
Disallow: /secure/*
Disallow: /services/*
Disallow: /in-console-ssm
Disallow: /jp/sid-partner*
Disallow: /ppc/
Disallow: /ru/
Disallow: /ar/
Disallow: /dc/blog/*
Disallow: /dc/news/*
Disallow: /author/*
Disallow: /tag/*
Disallow: /clients/*
Disallow: /voucher/*
Disallow: /bios*
Disallow: /direct/*
Disallow: /*thank
Disallow: /*.xls$
Disallow: /*.docx$
Disallow: /language-masters/*
Disallow: /link*
Disallow: /*feed

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