schuelke.com

HTML metadata

Title

Welcome to schuelke - schülke

Description

The world of microorganisms is as fascinating to us today as it was 125 years ago. The focus of our corporate philosophy is on hygiene and preservation. It is our mission to combat diseases and contamination before they arise.

Language

en

Generator

Weblication® CMS

Canonical

https://www.schuelke.com/intl-en/

Translations

cs
de
de-at
de-ch
en
en-au
en-in
en-sg
en-uk
fr
fr-ch
nl
pl
sk

Open Graph

title: Welcome to schuelke
description: The world of microorganisms is as fascinating to us today as it was 125 years ago. The focus of our corporate philosophy is on hygiene and preservation. It is our mission to combat diseases and contamination before they arise.

Technology

Server: Apache

Social

Contact

Email

Phone

+49 40 52100-0

Registration

Registrar

Deutsche Telekom AG

Created

1998-01-08

Expires

2027-01-07 232 days left

Updated

2025-12-10

Name servers

ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com

DNS records live

NS

ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com

MX

0 schuelke-com.mail.protection.outlook.com

TXT

Show 7 TXT records

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google-site-verification=3mwwobF_2gGDT0dyk0GCz7IEZF3pjrrJqPtd7_OmmqQ
google-site-verification=O1l6P1YNOlo5AaTvy8GMZw7u2Ogo_z-PuezjWTZO2EE
pardot991942=35684de3ad1acbf48f5c15e0eff674b0b9a6c32b6ab1e43d4570d691cb935116
atlassian-domain-verification=GTwfLjP6NSROAGXxbZgdtd494jaYUUxu0t//iz3RxzwNjiyPzIidva499hXYyn08
teamviewer-sso-verification=1419a89295d245ec9c29db60a6ec250b
mscid=S8FTAKR2uttftC2hf1oZlWvHO7uRfsHZdNagXeyyvvWFPFWZgpbl7oTlqZM6bYaVBMx7SCVARCwdpfFvtr+7yg==

Email authentication strong

SPF

v=spf1 ip4:93.240.176.34 ip4:93.240.176.38 ip4:185.237.184.44 ip4:185.237.184.45 ip4:213.209.108.146 ip4:77.75.252.48 ip4:178.250.10.218 ip4:213.209.108.147 include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf-dc2.successfactors.com include:cust-spf.exacttarget.com include:_spf.salesforce.com include:_spf.qualtrics.com include:schulke.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@schuelke.com;

policy: reject (enforced)

DKIM

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selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDVe5aVhfde+0BxkUA/lgU6AAYkwtm8o0QQqu0TwTJHbC/xcesY/SctoL0hSRBxaxo56dzEEiCT4/VuhYbg0B…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-06-03 to 2026-06-27

Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.schuelke.com/intl-en/index.php

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff

Links to (6)

Linked from (1)

adebar.de×1