hs-flensburg.de

.de crawl dns

First seen 2026-04-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 1608 ms crawled 2026-05-07

DE · 193.175.191.141 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Willkommen an der Hochschule Flensburg | Hochschule Flensburg

Language

Generator

Drupal 10 (https://www.drupal.org)

Canonical

https://hs-flensburg.de/

Translations

Technology

Server: Apache
CMS: Drupal

Social

Contact

Email

Registration

Updated

2017-10-13

Name servers

dns1.fh-flensburg.de.
dns-2.dfn.de.
dns2.fh-flensburg.de.

DNS records live

NS

dns-2.dfn.de
dns1.fh-flensburg.de
dns2.fh-flensburg.de

MX

10 iron1-mail.hs-flensburg.de
20 iron2-mail.hs-flensburg.de

TXT

Show 6 TXT records

adobe-idp-site-verification=d20e7cc2132aec5575f9486cef0b1bce3458bbe3ada59a052b4d70dcd3b26f2c
apple-domain-verification=DHq6WEN5tGuBCe6k
google-site-verification=8rN0Z--_O1Q9SsS3ROv0V3fTg89QizUoyO4VftdIyms
academiccloud-site-verification=xTr9p9r4FcRGzBD7GEEnP49sK
cisco-ci-domain-verification=960c443f3c45b2a1cc4a2d397fc8813b74880e152935c080e0a8501ec83905
MS=ms32206549

Email authentication strong

SPF

v=spf1 mx a:iron1-mail.hs-flensburg.de a:iron2-mail.hs-flensburg.de a:fhf3.fh-flensburg.de a:mail.fh-flensburg.de a:mail.hs-flensburg.de a:mail.stud.hs-flensburg.de a:mail.stud.fh-flensburg.de ~all

softfail (~all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:dmarc@hs-flensburg.de; ruf=mailto:dmarc@hs-flensburg.de;

policy: none (monitoring only)

DKIM

mail: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk+noouK53ZKqGG3VD2a3no5XqzGLoHjkNkgAA8pQE7a6kJS4GHZtBZIuLTTaN7pbcGKGT+yhDtiMy+P4CywSL…

selectors probed

Certificate (current)

GEANT TLS RSA 1

from 2025-11-27 to 2026-11-27

Expires in 192 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://hs-flensburg.de/

present

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

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload