3-plan.ch

.ch crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 357 ms crawled 2026-05-30

CH · 149.126.4.88 · AS47302 cyon AG

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: 3-Plan AG
Description: Wir arbeiten täglich mit Freude daran, gute Gebäude mit der richtigen Technik spürbar besser zu machen.
Canonical: https://www.3-plan.ch/

Open Graph

url: https://www.3-plan.ch/
title: 3-Plan AG
description: Wir arbeiten täglich mit Freude daran, gute Gebäude mit der richtigen Technik spürbar besser zu machen.

Social

DNS records live

NS

ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info

MX

10 3plan-ch0c.mail.protection.outlook.com

TXT

6zg874gttswx34mtffx6s2h25h63f9s7
vffs997k5r4gckr6yf52q8xx7mlfz13r

Verified for

Apple
Microsoft 365

Email authentication partial

SPF

v=spf1 ip4:213.160.33.146/32 ip4:213.193.73.162/28 ip4:77.59.246.112/29 ip4:213.193.118.178/30 ip4:81.63.189.33/29 ip4:194.126.200.0/24 ip4:149.126.0.0/21 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc@3-plan.ch; fo=1

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

R12

from 2026-04-02 to 2026-07-01

Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.3-plan.ch/

findings

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

Links to (5)

Linked from (1)

kyburz-engineering.ch×1