indexo.dev

esn-utrecht.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 553 ms crawled 2026-06-02

US · 172.67.133.5 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ESN Utrecht – Erasmus Student Network Utrecht
Language
en-US
Generator
WordPress 6.9
Canonical
https://esn-utrecht.nl/
Feeds

Technology

CDN
Cloudflare
CMS
WordPress 6.9
jQuery
3.7.1

Third-party hosts loaded (1)

  • www.google.com×1

Social

DNS records live

NS
  • grannbo.ns.cloudflare.com
  • titan.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • have-i-been-pwned-verification=dweb_f10hedqc03yv9emrnts8lm4z
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl9FAbh1IgQK4/UNFcLPI03apTHFolMmqKvsYDlmlxW+/mOxmqCzhz1aT05oZAQ/AX0aK8/JdcxT6a2…
selectors probed

Certificate (current)

WE1
from 2026-04-11 to 2026-07-10
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://esn-utrecht.nl/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (7)

Linked from (1)