t-online.de: what it tells AI crawlers

On 27 October 2026, t-online.de's robots.txt fully blocked GPTBot, ClaudeBot, PerplexityBot and CCBot.

Last verified 2026-10-28 03:59 UTC (daily run of 2026-10-27). Proof for that day.

Panel

top 1k (Tranco)

robots.txt

ok (HTTP 200) · https://www.t-online.de/robots.txt
unchanged since 2026-10-26 · sha256 aefcf62006193c76… · view as recorded

The * group

allows applies to every agent without its own group

Per AI bot, 2026-10-27

Other signals

robots.txt as recorded sha256 00758baeb10c5376…

User-agent: *
Disallow: /native/
Disallow: /?artid
Disallow: /preisvergleich/
Disallow: /studiopreview_
Disallow: /vid_1/
Disallow: /,ei=
Disallow: /,linkId=
Disallow: /,pt=pictureEnlarge
Disallow: /,pt=print
Disallow: /,pt=self
Disallow: /,tid=print
Disallow: /,vv=P5
Disallow: /,vv=enlarge
Disallow: */tid_external_content_proxy/
Disallow: /*/tid_xml_f_L20_TopicList/
Disallow: /*/tid_xml_f_page/
Disallow: /*/tid_xml_mcp_page/
Disallow: /*/tid_xml_page/
Disallow: /-/id_62530634/tid_tsr_iframe_loginbox/index
Disallow: /-/id_62530634/tid_tsr_iframe_loginbox_buzz/index

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 t-online.de is a leaf in that day's Merkle tree. Proof of the robots.txt line for 2026-10-27: audit path (JSON), day root and OpenTimestamps proof (complete (bitcoin block 973493)).

API: https://infrarabbit.com/crawlers/api/v1/policy/t-online.de