indexo.dev

tesorion.nl

.nl crawl

First seen 2026-05-12 · Last seen 2026-05-18 · ok HTTP/1.1 200 2389 ms crawled 2026-05-18

US · 104.26.9.110 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Tesorion: Uw Nederlandse Partner in Cybersecurity
Description
Tesorion is de grootste onafhankelijke Nederlandse cybersecurity dienstverlener. Wij bestrijden cybercriminaliteit en minimaliseren bedrijfsrisico's met 24/7 bescherming door 140 experts.
Language
nl
Canonical
https://www.tesorion.nl

Open Graph

title
Tesorion: Uw Nederlandse Partner in Cybersecurity
description
Tesorion is de grootste onafhankelijke Nederlandse cybersecurity dienstverlener. Wij bestrijden cybercriminaliteit en minimaliseren bedrijfsrisico's met 24/7 bescherming door 140 experts.

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights
  • Google Tag Manager
Fonts
  • Google Fonts
Third-party hosts loaded (12)
  • cdn.prod.website-files.com×73
  • cdnjs.cloudflare.com×2
  • ajax.googleapis.com×1
  • cdn.jsdelivr.net×1
  • d3e54v103j8qbb.cloudfront.net×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • in.getclicky.com×1
  • static.cloudflareinsights.com×1
  • static.getclicky.com×1
  • unpkg.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
Registrar.eu
Created
2017-11-15
Updated
2025-07-11
Name servers
  • coby.ns.cloudflare.com
  • hope.ns.cloudflare.com

DNS records live

NS
  • coby.ns.cloudflare.com
  • hope.ns.cloudflare.com
MX
  • 0 tesorion-nl.c-v1.mx.microsoft
TXT
  • atlassian-sending-domain-verification=e569bc69-83d0-488e-a9c5-efa2acb113f0
Verified for
  • Atlassian
  • Google

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:185.151.97.71 ip4:91.220.21.150 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:notifications@tesorion.nl,mailto:dmarc_agg@vali.email; adkim=s; aspf=s; rf=afrf;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxWj/txLdyaZdH6JHcvCLCdqCLIWEiO2lOkylEZob+ouCiZXql1d3ffnhkA7tbB0JnJ0oIjqMgiOfKJ…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx4grYcI8atk1m232mk5FzxjyYiygr+dvfjv1mq9vthBcKZQXobeL5CIGymlJdlqkA63n01Pal0mrYW…
selectors probed

Certificate (current)

E7
from 2026-04-10 to 2026-07-09
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.tesorion.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (5)

Linked from (1)