Who blocks AI · #220 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does zendesk.com block AI crawlers?

No. zendesk.com’s robots.txt lets all 19 AI crawlers we track crawl the site. Search engines such as Googlebot and Bingbot may crawl it.

GPTBotAllowed OAI-SearchBotAllowed ClaudeBotAllowed PerplexityBotAllowed Google-ExtendedAllowed CCBotAllowed

robots.txt: www.zendesk.com/robots.txt · 30 lines
llms.txt: found
Checked: 9 November 2026, as canaicrawl. We check again every week.

Every bot, and the line that decides

Search engines

Bot	Operator	robots.txt	Deciding line
`Googlebot`	Google	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Bingbot`	Microsoft	Allowed	line 2 · `Allow: /` under `User-agent: *`
`DuckDuckBot`	DuckDuckGo	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Applebot`	Apple	Allowed	line 2 · `Allow: /` under `User-agent: *`
`PetalBot`	Huawei	Allowed	line 2 · `Allow: /` under `User-agent: *`
`YandexBot`	Yandex	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Baiduspider`	Baidu	Allowed	line 2 · `Allow: /` under `User-agent: *`

AI search

Bot	Operator	robots.txt	Deciding line
`OAI-SearchBot`	OpenAI	Allowed	line 2 · `Allow: /` under `User-agent: *`
`PerplexityBot`	Perplexity	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Claude-SearchBot`	Anthropic	Allowed	line 2 · `Allow: /` under `User-agent: *`
`DuckAssistBot`	DuckDuckGo	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Amazonbot`	Amazon	Allowed	line 2 · `Allow: /` under `User-agent: *`
`YouBot`	You.com	Allowed	line 2 · `Allow: /` under `User-agent: *`

AI training

Bot	Operator	robots.txt	Deciding line
`GPTBot`	OpenAI	Allowed	line 2 · `Allow: /` under `User-agent: *`
`ClaudeBot`	Anthropic	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Google-Extended`	Google	Allowed	line 2 · `Allow: /` under `User-agent: *`
`CCBot`	Common Crawl	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Applebot-Extended`	Apple	Allowed	line 2 · `Allow: /` under `User-agent: *`
`GoogleOther`	Google	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Meta-ExternalAgent`	Meta	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Bytespider`	ByteDance	Allowed	line 2 · `Allow: /` under `User-agent: *`

User-triggered fetchers

Bot	Operator	robots.txt	Deciding line
`ChatGPT-User`	OpenAI	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Claude-User`	Anthropic	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Perplexity-User`	Perplexity	Allowed	line 2 · `Allow: /` under `User-agent: *`
`MistralAI-User`	Mistral	Allowed	line 2 · `Allow: /` under `User-agent: *`
`Meta-ExternalFetcher`	Meta	Allowed	line 2 · `Allow: /` under `User-agent: *`

SEO tools

Bot	Operator	robots.txt	Deciding line
`AhrefsBot`	Ahrefs	Allowed	line 2 · `Allow: /` under `User-agent: *`
`SemrushBot`	Semrush	Allowed	line 2 · `Allow: /` under `User-agent: *`
`MJ12bot`	Majestic	Allowed	line 2 · `Allow: /` under `User-agent: *`
`DotBot`	Moz	Allowed	line 2 · `Allow: /` under `User-agent: *`

View www.zendesk.com/robots.txt · 30 lines

1User-agent: *

2Allow: /

3Disallow: /thank-you/

4Disallow: /thank-you-enterprise-demo/

5Disallow: /company/index/thank-you/

6Disallow: /lp/adwords

7Disallow: /zendesk-adwords-template/

8Disallow: /brand

9Disallow: /brand/

10Disallow: /public/assets/html/

11Disallow: /company/add-ons-agreement/

12Disallow: /company/reseller-add-ons-agreement/

13Disallow: /public/assets/sitemaps/

14Disallow: /blog-ads-api-output/

15Disallow: /blog/tags/expertise-zip

16Disallow: /blog/tags/innovation-zip

17Disallow: /blog/tags/trends-insight-zip

18Disallow: /blog/tags/customer-service-zip

19Disallow: /blog/tags/employee-service-zip

20Disallow: /blog/tags/executive-insights-zip

21Disallow: /blog/tags/best-practices-zip

22Disallow: /blog/tags/product-news-zip

23Disallow: /blog/tags/research-and-data-zip

24Disallow: /blog/tags/customers-and-partners-zip

25Disallow: /blog/tags/benchmark-zip

26Disallow: /blog/tags/guides-zip

27Disallow: /blog/tags/leadership-zip

28Disallow: /blog/tags/podcasts-zip

29Disallow: /blog/tags/reports-zip

30Sitemap: https://www.zendesk.com/generated_sitemap.xml

What do the bots actually get?

This page reads robots.txt, which states what zendesk.com asks of crawlers. A firewall or CDN can still refuse a bot that robots.txt allows. The live check requests the page as each bot and shows the status it gets.

Run a live check on zendesk.com Test a path in the robots.txt tester

History

19 October 2026: first checked.

Questions

Does zendesk.com block GPTBot?

No. zendesk.com’s robots.txt lets GPTBot crawl the site. GPTBot is OpenAI’s crawler for training data; blocking it doesn’t affect ChatGPT search, which uses OAI-SearchBot. Checked 9 November 2026.

Does zendesk.com block ClaudeBot?

No. zendesk.com’s robots.txt lets ClaudeBot crawl the site. ClaudeBot is Anthropic’s crawler for training data. Checked 9 November 2026.

Does zendesk.com block Google-Extended?

No. zendesk.com’s robots.txt lets Google-Extended crawl the site. Google-Extended is the token that controls whether Google may use pages for Gemini training and grounding; it doesn’t affect Google Search. Checked 9 November 2026.

Does zendesk.com block PerplexityBot?

No. zendesk.com’s robots.txt lets PerplexityBot crawl the site. PerplexityBot is the crawler that indexes pages for Perplexity’s answers. Checked 9 November 2026.

Can ChatGPT search find zendesk.com?

Yes. zendesk.com’s robots.txt lets OAI-SearchBot crawl the site. OAI-SearchBot is the crawler behind ChatGPT search; blocking it keeps the site out of ChatGPT’s search answers. Checked 9 November 2026.