indexo.dev

swis.nl

.nl crawl dns

First seen 2026-05-22 · Last seen 2026-05-31 · ok HTTP/1.1 200 906 ms crawled 2026-05-28

NL · 87.233.198.7 · AS15703 TrueFullstaq B.V.

Reputation 92/100 weak subdomain policy

Classifying

HTML metadata

Title
Duurzaam Digitaal Veranderen | SWIS
Description
SWIS is een digital agency in Leiden. We helpen je vooruit met een ambitieuze digitale strategie, een converterende website of een gebruiksvriendelijke webapplicatie.
Language
nl
Generator
Drupal 11 (https://www.drupal.org)
Canonical
https://www.swis.nl/

Open Graph

title
Duurzaam Digitaal Veranderen
site name
SWIS

Technology

CMS
Drupal
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • swis.vragen.ai×1
  • www.googletagmanager.com×1

Registration

Registrar
SWIS B.V.
Created
1999-10-04
Updated
2025-10-07
Name servers
  • ns1.swis.nl
  • ns2.swis.nl
  • ns3.swis.nl

DNS records live

NS
  • ns1.swis.nl
  • ns2.swis.nl
  • ns3.swis.nl
MX
  • 10 d306458.a.ess.de.barracudanetworks.com
  • 20 d306458.b.ess.de.barracudanetworks.com
TXT
  • atlassian-sending-domain-verification=617402b4-1a00-4562-b3bc-f7a18e1c145f
  • sinch-domain-verification=4716b7a4-897d-47f9-ba5a-f7deb9dc7ab2
Verified for
  • 1Password
  • Apple
  • Atlassian
  • Google
  • Microsoft 365
  • OpenAI

Email authentication strong

SPF
v=spf1 mx include:spf.protection.outlook.com include:mailservice.swis.nl include:spf.mandrillapp.com ip4:208.91.114.151 ip4:87.233.41.63 include:_spf.atlassian.net -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=none; aspf=s; rua=mailto:dmarc_agg@vali.email; ruf=mailto:admin@swis.nl; fo=1
policy: reject (enforced) · sp=none
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

R13
from 2026-05-13 to 2026-08-11
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src 'self'; connect-src 'self' https://*.swis.nl https://*.sw.is https://swis.vragen.ai https://*.clarity.ms https://*.google-analytics.com https://*.googletagmanager.com https://*.g.doubleclick.net https://*.google.com https://pagead2.googlesyndication.com https://*.hotjar.com https://*.hotjar.io wss://*.hotjar.com https://www.google-analytics.com https://www.googletagmanager.com; font-src 'self' data: https://fonts.gstatic.com; frame-src 'self' https://player.vimeo.com https://swis.mappi.nl https://td.doubleclick.net https://www.googletagmanager.com https://www.youtube-nocookie.com https://*.swis.nl https://*.sw.is https://swis.vragen.ai https://js.hsforms.net; img-src 'self' data: https://*.swis.nl https://*.sw.is https://swis.vragen.ai https://*.google-analytics.com https://*.googletagmanager.com https://*.g.doubleclick.net https://*.google.com https://*.gstatic.com https://*.hotjar.com https://*.vimeocdn.com https://*.ytimg.com https://*.hsforms.com https://www.google-anal
strict-transport-security
max-age=31536000
cross-origin-opener-policy
same-origin

Links to (4)

Linked from (1)