drgueldener.de

.de crawl dns

First seen 2026-04-25 · Last seen 2026-05-18 · ok HTTP/1.1 200 1059 ms crawled 2026-05-18

DE · 185.166.21.177 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 94/100 dmarc monitor-only

sector health type homepage

HTML metadata

Title: Die Gruppe | Dr. Güldener
Description: Dr. Güldener Gruppe: Erfahren Sie jetzt mehr über unsere Geschäftsfelder, Dienstleistungen und die Unternehmensphilosophie.
Language: de-de
Generator: TYPO3 CMS
Canonical: /die-gruppe

Open Graph

title: Die Gruppe
description: Dr. Güldener Gruppe: Erfahren Sie jetzt mehr über unsere Geschäftsfelder, Dienstleistungen und die Unternehmensphilosophie.

Technology

Server: Apache

Social

Registration

Updated

2024-04-23

Name servers

ns1.telekom-domains.de.
ns2.telekom-domains.de.

DNS records live

NS

ns1.telekom-domains.de
ns2.telekom-domains.de

MX

11 mx3.drgueldener.de
12 mx4.drgueldener.de

TXT

Show 9 TXT records

ddv0ljdm6wmrzx13jz43ch2q9197kfy4
2n05hdbnbkr4jcpv730xfmvsj38wvk68
0lzp4dqxyq25slz41vdf4v1fqfdr0fch
_wnyz5121fj3u2mtxhx8tehf1cphjcmy
_w4ekynlv8k44licmph33mool6i74dyg
_sab2oznw46he2b66jr4ia9pmzpgis7g
_ekk0ukyil8w7ee051yqq5lyjq2bn4zu
djd60qvjfswnysnd1trxqpmb2kgrlzpp
xvppg42mq0mmyh95ll4rv7mmhynlnh95

Verified for

Apple
Google
Miro

Email authentication partial

SPF: v=spf1 include:spf._mail.drgueldener.de a include:agenturserver.de ~all
softfail (~all)
DMARC: v=DMARC1; p=none; sp=none; pct=100; aspf=r; adkim=r; rua=mailto:6e32885a@in.mailhardener.com; ruf=mailto:6e32885a@in.mailhardener.com;
policy: none (monitoring only) · sp=none
DKIM: no key found at common selectors

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-04-15 to 2026-10-31

Expires in 163 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://drgueldener.de/die-gruppe

present

strict-transport-security
content-security-policy
x-content-type-options
referrer-policy
permissions-policy

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing frame protection

Header values

referrer-policy: strict-origin
permissions-policy: geolocation=(), midi=(), camera=(), usb=(), magnetometer=(), accelerometer=(), vr=(), speaker=(), ambient-light-sensor=(), gyroscope=(), microphone=()
x-content-type-options: nosniff
content-security-policy: default-src 'none'; manifest-src 'self'; object-src 'none'; frame-src youtube.com www.youtube.com www.youtube-nocookie.com youtube-nocookie.com; frame-ancestors 'self'; media-src 'self' *.mp4 *.mov *.webm; script-src 'unsafe-inline' 'unsafe-eval' https://static.dvinci-easy.com https://relaunch.test.drgueldener.de https://jobs.drgueldener.de https://*.drgueldener.de https://drgueldener.de; style-src 'unsafe-inline' https://static.dvinci-easy.com https://relaunch.test.drgueldener.de https://www.drgueldener.de/ https://drgueldener.de; img-src 'self'; connect-src https://static.dvinci-easy.com https://relaunch.test.drgueldener.de https://drgueldener.de/ https://relaunch.test.drgueldener.de https://*.drgueldener.de; font-src https://relaunch.test.drgueldener.de https://www.drgueldener.de/ https://drgueldener.de; base-uri https://relaunch.test.drgueldener.de https://drgueldener.de; form-action 'self'
strict-transport-security: max-age=31536000; includeSubdomains