indexo.dev

seijsener.com

.com crawl

First seen 2026-05-20 · Last seen 2026-05-27 · ok HTTP/1.1 200 2955 ms crawled 2026-05-27

US · 104.21.66.12 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Seijsener | Slim Bedacht, Goed Uitgevoerd
Description
Marktleider in recreatietechniek | Servicezuilen, laadpalen, walstroom en energiemanagement voor campings, vakantieparken en jachthavens. 60+ jaar ervaring.
Language
nl
Generator
Webflow
Canonical
https://www.seijsener.com
Translations
  • en
  • nl

Open Graph

title
Seijsener | Slim Bedacht, Goed Uitgevoerd
description
Marktleider in recreatietechniek | Servicezuilen, laadpalen, walstroom en energiemanagement voor campings, vakantieparken en jachthavens. 60+ jaar ervaring.

Technology

CDN
Cloudflare
jQuery
3.5.1
Analytics
  • Google Tag Manager
Third-party hosts loaded (7)
  • cdn.prod.website-files.com×204
  • cdn.jsdelivr.net×6
  • cdn.smootify.io×4
  • www.googletagmanager.com×2
  • cdnjs.cloudflare.com×1
  • d3e54v103j8qbb.cloudfront.net×1
  • www.google.com×1

Social

Contact

Phone
Address
Noorder IJ en Zeeweg 11, 1505 HG, Zaandam, Noord-Holland, NL

Registration

Registrar
Register SPA
Created
1997-12-10
Expires
2027-12-09 556 days left
Updated
2026-03-09
Name servers
  • donovan.ns.cloudflare.com
  • virginia.ns.cloudflare.com

DNS records live

NS
  • donovan.ns.cloudflare.com
  • virginia.ns.cloudflare.com
MX
  • 0 seijsener-com.mail.protection.outlook.com

Email authentication partial

SPF
v=spf1 ip4:195.20.9.21 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:_spf.psm.knowbe4.com include:_spf.payt.nl ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-rapport@seijsener.com;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-17 to 2026-08-15
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.seijsener.com/

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

Links to (4)

Linked from (1)