indexo.dev

sivon.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 435 ms crawled 2026-05-30

NL · 213.108.104.119 · AS47172 Greenhost BV

Reputation 100/100

sector education type homepage

HTML metadata

Title
SIVON - de ict-coöperatie voor het primair en voortgezet onderwijs
Description
We kopen gezamenlijk leermiddelen en devices in, bieden Veilig Internet en Network as a Service, geven advies en zorgen voor kennisuitwisseling.
Language
nl-NL
Generator
WordPress 6.9.4
Canonical
https://sivon.nl/
Feeds

Open Graph

url
https://sivon.nl/
title
SIVON
locale
nl_NL
site name
SIVON
description
We kopen gezamenlijk leermiddelen en devices in, bieden Veilig Internet en Network as a Service, geven advies en zorgen voor kennisuitwisseling.

Technology

Server
Apache
CMS
WordPress 6.9.4
jQuery
3.7.1
Cookie consent
  • Cookiebot
Fonts
  • Adobe Fonts
  • Font Awesome

Third-party hosts loaded (6)

  • static.mailplus.nl×3
  • use.fontawesome.com×3
  • consent.cookiebot.com×1
  • gmpg.org×1
  • m2.mailplus.nl×1
  • use.typekit.net×1

Social

Contact

Email
Phone

DNS records live

NS
  • pns41.cloudns.net
  • pns42.cloudns.net
  • pns43.cloudns.net
MX
  • 10 mx.ictteamwork.nl
  • 20 mx.ictteamwork.com
  • 30 mx.ictteamwork.eu
TXT
  • atlassian-sending-domain-verification=bb07680c-ca02-456b-9a95-faec9a53addb
Verified for
  • Atlassian
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.greenhost.nl include:spf.protection.outlook.com include:spf.afas.online include:spf1.ictteamwork.nl include:spf_servers.yard.nl -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@ictteamwork.uriports.com; aspf=r; fo=1:d:s
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApjXo3hsuEImviiW1wjPaj1PFSiZIg49MFXYoepxJwYg2mM8Eij1QLR+AmFtqJHl+4egB7yNKaQxfot…
  • mail: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGmmHhYJRUbL/zTrriokJ0S+GFPfT8xSv1khRYeJZfSZBzNOsVTZQ02hdHm637jFhaWO6dpkUS/Cuwvv+eD943aSnMv…
selectors probed

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://sivon.nl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (2)

Linked from (2)