ist.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 4073 ms crawled 2026-05-14

DE · 217.113.41.19 · AS16218 IACD Systemhaus GmbH

Reputation 100/100

Classifying

HTML metadata

Title: IST-Studieninstitut
Description: IST-Studieninstitut ➤ Aus- und Weiterbildungen in Sport, Fitness, Gesundheit, Wellness, Tourismus, Hotel, Gastronomie, Event & Wirtschaft.
Language: de

Open Graph

url: https://www.ist.de/
title: IST-Studieninstitut
description: IST-Studieninstitut ➤ Aus- und Weiterbildungen in Sport, Fitness, Gesundheit, Wellness, Tourismus, Hotel, Gastronomie, Event & Wirtschaft.

Technology

Cookie consent

Cookiebot

Third-party hosts loaded (6)

ka-p.fontawesome.com×2
api.superchat.de×1
consent.cookiebot.com×1
kit.fontawesome.com×1
widget.superchat.de×1
www.fernstudiumcheck.de×1

Social

Contact

Email

info@ist.de

Phone

Address

Erkrather Str. 220 a-c, 40233, Düsseldorf

Registration

Updated

2007-07-09

Name servers

ns1.domainkunden.de.
ns2.domainkunden.de.

DNS records live

NS

ns1.domainkunden.de
ns2.domainkunden.de

MX

10 mx02.hornetsecurity.com
15 mx03.hornetsecurity.com
20 mx04.hornetsecurity.com
5 mx01.hornetsecurity.com

TXT

anny-verification=bf56967d-6b90-4a8f-9905-d44620548007
tn9cll3t8kvyhxggc40x1x9gbgfd3f5k

Verified for

Adobe
Google
Meta
Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf-de.emailsignatures365.com a:ist.de mx:ist.de ip4:185.60.208.33/32 ip4:80.228.247.52 include:spf.hornetsecurity.com include:spf-ist.istis.de include:email.prnewswire.com include:newsmailservice.de include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1;p=reject;pct=100;ruf=mailto:postmaster@ist.de

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7imPl1glYFqN1ip1of38rRO8ffKzA6QHGxGN1vSS+qWrYDAX8Byi6qwki4zhd0yqrKbacUuWk36HCXDOd4t…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoAVO6Ux4I/Ic0nBnpV7gAZ70LkHKXNTjgtq/RW4olVsnn3n6RSZqQIyze8IcsNf4T96fbo16slB1X0NtkP…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxeNI6N5nqfW+p6ldo5QN6YQ1Kss54nBp2AD0+7WcQ/tsw47fj5fdixT/olsN4ZA+lGx0fTqyhJ1zOyXEiiv1mD8…

selectors probed

Certificate (current)

R12

from 2026-05-09 to 2026-08-07

Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.ist.de/

present

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

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: no-referrer
x-frame-options: Deny
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload