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Domain report

lukapeternel.nl

lukapeternel.nl ranks in the top 0.28% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore lukapeternel.nl in the Web Graph

Connectivity

#373,455harmonic-centrality rank
Top percentile
0.28%
Hosts observed
1

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://lukapeternel.nl/ answered with HTTP 200.

Certificate until 2026-12-05C=US, O=Let's Encrypt, CN=YR2

DNS records

A
  • 198.185.159.144
AAAA
No records found.
MX
No records found.
NS
  • ns-cloud-d1.googledomains.com.
  • ns-cloud-d3.googledomains.com.
  • ns-cloud-d2.googledomains.com.
  • ns-cloud-d4.googledomains.com.
AS
Server in network SQUARESPACE, AS53831 · United States198.185.159.0/24, which holds 198.185.159.144

Live preview

Screenshot of lukapeternel.nl

This site sends "X-Frame-Options: DENY", which blocks embedding it here.

Since lukapeternel.nl can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

Registrar
Key-Systems GmbH
Registered
2022-07-17
Expires
Unknown
Last changed
2025-12-11

Nameservers: ns-cloud-d4.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d1.googledomains.com

Status: active

How to read WHOIS and RDAP data

SSL certificate

Common name
lukapeternel.nl
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid from
2026-09-06
Valid until
2026-12-05

Matches lukapeternel.nl exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
no-cache, no-store, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
base-uri 'self';object-src 'none';report-uri /_/view/cspreport;script-src 'report-sample' 'nonce-ZyYw1glOKIcfMPt91AyOuQ' 'unsafe-inline' 'unsafe-eval';worker-src 'self';frame-ancestors https://google-admin.corp.google.com/
Strict-Transport-Security
Not sent
X-Frame-Options
DENY
X-Content-Type-Options
nosniff
Referrer-Policy
origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://lukapeternel.nl/HTTP 301

    → http://www.lukapeternel.nl/

  2. 2.http://www.lukapeternel.nl/HTTP 301

    → https://www.lukapeternel.nl/

  3. 3.https://www.lukapeternel.nl/HTTP 200

Meta tags

Title
Luka Peternel (roboticist)
Description
Not set
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Luka Peternel (roboticist)
Open Graph description
Open Graph image
https://lh7-us.googleusercontent.com/sitesv-images-rt/AMxu72ubARmhoYMJ5HOFqyrB1KBm-gE5YbKb7Y7w8y5s8bQEOEMgCnsrCB_xXp4rNyu8bodzwWrtFy65QPgMi-S1Tr9164XqI4ga_z1iJnwS5I3gsZnoMLYg08_GEI21GqnQGq-waar91Gt1Ak7wNUjGOu_rhuKIM5Zb57-N0L9iLddXHzDNfArcvqfBCFKgBOCoAONfOBjTiWzMz5SpKVaWpjguJ-rx3pdi2nDo3jR23a0=w1280
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

lukapeternel.nl has no robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

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