leonhard-weiss.de

.de crawl dns

First seen 2026-04-14 · Last seen 2026-05-17 · ok HTTP/1.1 200 1043 ms crawled 2026-05-07

DE · 82.212.218.22 · AS29624 iWelt GmbH + Co. KG

Reputation 100/100

Classifying

HTML metadata

Title

LEONHARD WEISS: Nachhaltige Infrastrukturprojekte

Description

Nachhaltige Bauprojekte und moderne Techniken – LEONHARD WEISS setzt Maßstäbe im Bauwesen.

Language

Generator

TYPO3 CMS

Canonical

https://www.leonhard-weiss.de/

Translations

Technology

Server: Apache
CMS: Gatsby

Cookie consent

Usercentrics

Third-party hosts loaded (3)

app.usercentrics.eu×3
privacy-proxy.usercentrics.eu×3
api.usercentrics.eu×1

Social

Contact

Phone

Address

RD WEISS. Seit der Gründung im Jahr 1900

Registration

Updated

2020-10-05

Name servers

dns2.iwelt-ag.net.
dns3.iwelt-ag.de.
dns.iwelt-ag.net.

DNS records live

NS

dns.iwelt-ag.net
dns2.iwelt-ag.net
dns3.iwelt-ag.de

MX

10 mail1.leonhard-weiss.de
20 mail2.leonhard-weiss.de

TXT

Show 6 TXT records

vt00vtqy6gb074d34jtk2bkh4q598gw7
9C9A5GzQ4eQjqdzNf1DfTw3LiYFUuZuMGieQH/fSiYbFMFiBOrNZ+UcYDLMI6zMFNB9PocKg3fi75+4LCghH9w==
docusign=412bb92f-9b3f-4203-8042-93e62543e998
gjim1uosrgvpdd8s90a09h1bth
MS=ms87737808
google-site-verification=r9GXqb9CZx2EaF_5bsGQaqTwpnx2nDdJ2D5W1ksj7JM

Email authentication strong

SPF

v=spf1 ip4:82.212.218.22 ip4:104.151.64.10 mx include:mailgun.org include:spf.protection.outlook.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; fo=1; rua=mailto:a7687694@mxtoolbox.dmarc-report.com; ruf=mailto:a7687694@forensics.dmarc-report.com

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTNmotqfILqCjTGgFjj34cOt3lkCFeI/fVS6RBoKXnDuRTdYEHqY1NZJkyrFV9XbzSABiwS0RKNVi/OQ97fE…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMZQ5z2wGYqYYvIl03nBaFgt+O1/vBbHgPhoJxjVHVDrcUHpfIYvfxHbCFwr8mEh5Qwm6gM0nporhGZqiZ2/…

selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1

from 2025-12-11 to 2027-01-09

Expires in 235 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.leonhard-weiss.de/

present

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

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: sameorigin
x-content-type-options: nosniff