sankelmark.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP/1.1 200 6773 ms crawled 2026-05-08

DE · 162.55.39.179 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

Akademiezentrum Sankelmark

Language

de-DE

Generator

TYPO3 CMS

Canonical

https://www.sankelmark.de/

Translations

Open Graph

title: Akademiezentrum Sankelmark

Technology

Server: nginx

Social

Contact

Email

Phone

04630550

Address

Akademiezentrum SankelmarkAkademieweg 624988 Oeversee04630 55-0akademie@sankelmark.de

Registration

Updated

2022-11-09

Name servers

helium.ns.hetzner.de.
hydrogen.ns.hetzner.com.
oxygen.ns.hetzner.com.

DNS records live

NS

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

MX

0 sankelmark-de.mail.protection.outlook.com

Verified for

Brevo
Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:report_it@sankelmark.de; ruf=mailto:report_it@sankelmark.de; fo=1

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsmHaKUrwO1azTRJS9BHNF2cahDHSNJKpT0M66F04TxqihfM6wzQCn0XyBh1UpxEJK9GWpcJpu8+Van…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyliGgJNA/7A27+Eq8KkWXSuvhC4y20I2G9rMJu7BXzkYu9bjus0lnRe+TACJld3sK1TNm/Fc1T8EYK…
mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

from 2026-03-25 to 2026-06-23

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.sankelmark.de/

present

x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff