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osvs.nl

.nl ok HTTP/1.1 200 374 ms

First seen 2026-06-17 · Last seen 2026-06-17 · crawled 2026-06-17

NL · 94.228.142.91 · AS41887 Prolocation B.V.

Reputation 100/100

sector education subsector school type homepage

HTML metadata

Title
Openbare Scholengroep Vlaardingen Schiedam | OSVS
Description
De openbare scholen voor voortgezet onderwijs in Vlaardingen en Schiedam vormen samen de OSVS. Het bestuur van de OSVS vormt het bevoegd gezag van de stichting.
Language
nl

Open Graph

url
https://osvs.nl/
site name
OSVS

Contact

Technology

Server
nginx
CMS
Gatsby
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

DNS records live

NS
  • ns1.as41887.nl
  • ns2.as41887.eu
  • ns3.as41887.io
  • ns4.as41887.it
MX
  • 10 d341306.a.ess.de.barracudanetworks.com
  • 20 d341306.b.ess.de.barracudanetworks.com
TXT
  • bastion365-domain-validation=4bdd010608845
  • v=NTA7516-1;startdate=2019-06;enddate=2029-09;provider=bastionic;ntamx=10 mx.bastion365.net

Email authentication strong

SPF
v=spf1 include:spf.osvs.nl.eu-a96tglv1.e1.dspf.app -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:a96tglv1@ag.eu.dmarcadvisor.com
policy: quarantine
DKIM
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPf+3U28vOa0a/e4BzQfTgRGlfkCzQgYUz0qvqmmQqbh4nlhG5yITFO/VnOqSQgByT4nZBu5nTgiDKOSJx2M…
selectors probed

Certificate (current)

YR1
from 2026-06-06 to 2026-09-04
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://osvs.nl/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (2)

Linked from (5)

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