indexo.dev

schule-leezen.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 4950 ms crawled 2026-05-16

DE · 156.67.175.202 · AS60294 Deutsche Glasfaser Wholesale GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
IServ - schule-leezen.de
Canonical
https://schule-leezen.de/iserv/auth/login?_target_path=%2Fiserv%2Fauth%2Fauth%3F_iserv_app_url%3D%2Fiserv%2F%26client_id%3D1639706d-967a-49fe-a6f6-7764795234d6%26nonce%3Deb4aaba2-c7b7-44de-8306-8c0ba859e2c3%26redirect_uri%3Dhttps%253A%2F%2Fschule-leezen.de%2Fiserv%2Fapp%2Fauthentication%2Fredirect%26response_type%3Dcode%26scope%3Dopenid%2520uuid%2520iserv%253Asession-id%2520iserv%253Aweb-ui%2520iserv%253A2fa%253Aconfiguration%2520iserv%253Aaccess-groups%26state%3DeyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiIsImtpZCI6IjEifQ.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL3NjaHVsZS1sZWV6ZW4uZGUvaXNlcnYvIiwibm9uY2UiOiJlYjRhYWJhMi1jN2I3LTQ0ZGUtODMwNi04YzBiYTg1OWUyYzMiLCJhZG1pbiI6ZmFsc2UsImlzcyI6Imh0dHBzOi8vc2NodWxlLWxlZXplbi5kZS9pc2Vydi8iLCJleHAiOjE3ODY2NzUzNjgsIm5iZiI6MTc3ODg5OTMwOCwiaWF0IjoxNzc4ODk5MzY4LCJzaWQiOiIifQ.MzxNLBUGvSmgBCyANh05f-qxCR-Gi_Ei9_8tODD1ZPsEMJVL8kjc755uWupXsOKqdgQIlDNG82XYcqgH-xHhDA

Technology

Server
IServ
CMS
Gatsby

Registration

Updated
2020-08-25
Name servers
  • ns1.iserv.eu.
  • ns2.iserv.eu.
  • ns3.iserv.eu.
  • ns4.iserv.eu.

DNS records live

NS
  • ns1.iserv.eu
  • ns2.iserv.eu
  • ns3.iserv.eu
  • ns4.iserv.eu
MX
  • 10 schule-leezen.de
  • 50 offline.iserv.eu
Verified for
  • Apple

Email authentication weak

SPF
v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-09 to 2026-07-08
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://schule-leezen.de/iserv/auth/login?_target_path=/iserv/auth/auth?_iserv_app_url%3D%2Fiserv%2F%26client_id%3D1639706d-967a-49fe-a6f6-7764795234d6%26nonce%3Deb4aaba2-c7b7-44de-8306-8c0ba859e2c3%26redirect_uri%3Dhttps%253A%2F%2Fschule-leezen.de%2Fiserv%2Fapp%2Fauthentication%2Fredirect%26response_type%3Dcode%26scope%3Dopenid%2520uuid%2520iserv%253Asession-id%2520iserv%253Aweb-ui%2520iserv%253A2fa%253Aconfiguration%2520iserv%253Aaccess-groups%26state%3DeyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiIsImtpZCI6IjEifQ.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL3NjaHVsZS1sZWV6ZW4uZGUvaXNlcnYvIiwibm9uY2UiOiJlYjRhYWJhMi1jN2I3LTQ0ZGUtODMwNi04YzBiYTg1OWUyYzMiLCJhZG1pbiI6ZmFsc2UsImlzcyI6Imh0dHBzOi8vc2NodWxlLWxlZXplbi5kZS9pc2Vydi8iLCJleHAiOjE3ODY2NzUzNjgsIm5iZiI6MTc3ODg5OTMwOCwiaWF0IjoxNzc4ODk5MzY4LCJzaWQiOiIifQ.MzxNLBUGvSmgBCyANh05f-qxCR-Gi_Ei9_8tODD1ZPsEMJVL8kjc755uWupXsOKqdgQIlDNG82XYcqgH-xHhDA

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
no-referrer
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src 'self'; img-src 'self' data:; media-src 'self' blob:; connect-src 'self' blob:; form-action 'self';
strict-transport-security
max-age=63072000;

Links to (1)

Linked from (1)