leidenranking.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1000 ms crawled 2026-05-07

NL · 132.229.26.33 · AS1103 SURF B.V.

Reputation 100/100

Classifying

HTML metadata

Title
CWTS Leiden Ranking
Description
The CWTS Leiden Ranking offers important insights into the scientific performance for major universities worldwide. Select your preferred indicators, generate results, and explore the performance of universities.
Language
en

Open Graph

url
https://www.leidenranking.com
title
CWTS Leiden Ranking
site name
CWTS Leiden Ranking
description
The CWTS Leiden Ranking offers important insights into the scientific performance for major universities worldwide. Select your preferred indicators, generate results, and explore the performance of universities.

Registration

Registrar
Key-Systems GmbH
Created
2010-02-03
Expires
2027-02-03 260 days left
Updated
2026-02-04
Name servers
  • ns1.surfnet.nl
  • ns2.surfnet.nl
  • ns3.surfnet.nl

DNS records live

NS
  • ns1.surfnet.nl
  • ns2.surfnet.nl
  • ns3.surfnet.nl
TXT
  • HARICA-ygTCpZXcVvupEGBOeo1

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GEANT TLS RSA 1
from 2025-11-10 to 2026-11-10
Expires in 175 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.leidenranking.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains; preload

Linked from (2)