indexo.dev

rstu.ch

.ch crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1099 ms crawled 2026-05-31

CH · 149.126.4.64 · AS47302 cyon AG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Bureau Ronald Studer
Description
Das Bureau Ronald Studer aus Solothurn, entwickelt eigenständige Kommunikationslösungen mit hohem gestalterischem Anspruch für Institutionen und Unternehmen.
Language
en-US
Generator
WordPress 6.7.1
Canonical
https://www.rstu.ch/
Feeds

Open Graph

url
https://www.rstu.ch/
title
Home - Bureau Ronald Studer
locale
en_US
site name
Bureau Ronald Studer
description
Das Bureau Ronald Studer aus Solothurn, entwickelt eigenständige Kommunikationslösungen mit hohem gestalterischem Anspruch für Institutionen und Unternehmen.

Technology

CMS
WordPress 6.7.1
jQuery
3.7.1

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Email

DNS records live

NS
  • ns1.cyon.ch
  • ns2.cyon.ch
MX
  • 0 rstu.ch

Email authentication weak

SPF
v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtqMrQfN9JofIuGHqT+mWJ3xBSRtxNeT6nhNqJK/pusyAvh+B9tmpcpau/xGJVj3DpMyGTX5NorfsUo…
selectors probed

Certificate (current)

R13
from 2026-05-24 to 2026-08-22
Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.rstu.ch/

present
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade

Links to (2)

Linked from (1)