onlinebibliotheek.nl

.nl crawl

First seen 2026-05-19 · Last seen 2026-06-01 · ok HTTP/1.1 200 29828 ms crawled 2026-05-25

NL · 20.23.2.223 · AS8075 Microsoft Corporation

Reputation 100/100

Classifying

HTML metadata

Title: online Bibliotheek: luisterboeken en e-books
Description: Leen e-books en luisterboeken bij de online Bibliotheek. We willen dat jij met plezier leest en luistert. Daarom heb je bij ons 24/7 toegang tot e-books en luisterboeken.
Language: nl

Technology

Server: Apache

Third-party hosts loaded (1)

leibniz.zbkb.nl×69

Social

Registration

Registrar

SURF B.V.

Created

2004-12-13

Updated

2026-03-13

Name servers

ns1-konbib.kb.nl
ns1.surfnet.nl
ns1.zurich.surf.net

DNS records

TXT

Demonstration of domain control for DigiCert. Send approval email to <domeinen@kb.nl>

Verified for

Google
HARICA
Microsoft 365

Email authentication no MX

SPF: v=spf1 redirect=_s48n64ffu.sdmarc.net
missing all
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

GEANT TLS ECC 1

from 2026-05-15 to 2026-11-30

Expires in 181 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.onlinebibliotheek.nl/home.html

present

strict-transport-security
x-frame-options
x-content-type-options

findings

short HSTS max-age
missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: DENY
x-content-type-options: nosniff
strict-transport-security: max-age=604800;includeSubDomains