tudelft.nl

Domduck has read tudelft.nl on 6 days across 5 sources, since 2 August 2026. The domain was registered in 1987. Its robots.txt blocks none of the 8 AI crawlers Domduck tracks.

Last checked .

Charts appear once there are seven days of readings.

AI crawler policytudelft.nl
0/8AI crawlers
blocked
Blocked 0.0%Allowed by name 0.0%Not named 100.0%
Read from this domain’s own robots.txt, parsed to RFC 9309.
Popularity rank#5,615Tranco
Age39yTechnische Universiteit Delft
Certificate130dHellenic Academic and Research Institutions CA
AI crawlers0/8none blocked
Record6dsince 2026-08-02

What changed

6 days of readings
  1. 31 August 2026 (2026-08-31)
    • robots.txt started returning HTTP 200 between 17 August 2026 and 31 August 2026, from 304.
  2. 17 August 2026 (2026-08-17)
    • robots.txt started returning HTTP 304 between 3 August 2026 and 17 August 2026, from 200.

Popularity rank

73 days, lower is better
tudelft.nl popularity rank#5,615 today
2026-08-025,615 – 5,6152026-10-13
The axis is flipped, so a rise on this chart is a rise in the list.

Position in the Tranco list, a research ranking of the million most popular domains averaged over thirty days so a single day’s traffic spike cannot move it.

AI crawler policy

Redirects to www.tudelft.nl · No llms.txt
Blocked 0.0%Allowed by name 0.0%Not named 100.0%
GPTBotOpenAI
Not named

No ChatGPT browsing or training

OAI-SearchBotOpenAI
Not named

No ChatGPT search surface

ClaudeBotAnthropic
Not named

No Claude retrieval

PerplexityBotPerplexity
Not named

No Perplexity citation

Google-ExtendedGoogle
Not named

Out of Gemini and AI Overviews grounding, Search ranking unaffected

Applebot-ExtendedApple
Not named

Out of Apple Intelligence training

CCBotCommon Crawl
Not named

Out of most open training corpora

BytespiderByteDance
Not named

Out of TikTok and Doubao

Read from tudelft.nl/robots.txt. “Not named” means the file says nothing about that agent, which is not the same as allowing it: a catch-all rule added later blocks it without anyone deciding to.

What the domain itself says

read directly, not from a vendor
Certificate130d left
Issuer
Hellenic Academic and Research Institutions CA
Valid
Yes
Expires
2027-02-07
Protocol
TLSv1.3
Names covered
1
DNSDNSSEC validated
A records
1
AAAA records
0
Mail exchangers
1
Nameservers
ns1.surfnet.nl, ns1.tudelft.nl, ns1.zurich.surf.net, ns2.surfnet.nl, ns2.tudelft.nl
DMARC policy
reject
Registration39 years old
Registered
1987-07-23
Registrar
Technische Universiteit Delft
Registry status
active

How tudelft.nl compares to other .nl domains

This domaintudelft.nl
0of 8 crawlers blocked
Median .nl57 domains
0of 8 crawlers blocked

Questions

Does tudelft.nl block GPTBot?
No. tudelft.nl's robots.txt does not disallow GPTBot, though it does not name the agent either.
Does tudelft.nl publish an llms.txt file?
No. Domduck found no llms.txt at tudelft.nl.
When was tudelft.nl registered?
23 July 1987, through Technische Universiteit Delft.
Who issues tudelft.nl's certificate?
Hellenic Academic and Research Institutions CA.

How this page is made

Every number on this page is a measurement Domduck took itself or read from a public source, on a stated date. Nothing here is written by a language model. Where a value has not changed, no sentence is generated about it.

What the collectors have read · Request removal

First reading . 5 sources, 6 days with at least one reading. The popularity rank comes from the Tranco list; the registration record from RDAP, which ICANN requires registries to publish. The certificate, the DNS records and the crawler policy are read by Domduck directly from tudelft.nl.