indexo.dev

iserv-herderschule-giessen.de

.de crawl

First seen 2026-04-18 · Last seen 2026-05-09 · ok HTTP/1.1 200 4186 ms crawled 2026-05-12

DE · 80.153.74.96 · AS3320 Deutsche Telekom AG

Reputation 67/100 listed in spam blocklist no dmarc policy

Classifying

HTML metadata

Title
IServ - iserv-herderschule-giessen.de
Canonical
https://iserv-herderschule-giessen.de/iserv/auth/login?_target_path=%2Fiserv%2Fauth%2Fauth%3F_iserv_app_url%3D%2Fiserv%2F%26client_id%3D16_1o1a60e3sns0cc0oss40s040kog88o0kgsscg4cwkosc48csc8%26nonce%3D22c941de-c7b6-483e-aa36-9273da854500%26redirect_uri%3Dhttps%253A%2F%2Fiserv-herderschule-giessen.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.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL2lzZXJ2LWhlcmRlcnNjaHVsZS1naWVzc2VuLmRlL2lzZXJ2LyIsIm5vbmNlIjoiMjJjOTQxZGUtYzdiNi00ODNlLWFhMzYtOTI3M2RhODU0NTAwIiwiYWRtaW4iOmZhbHNlLCJpc3MiOiJodHRwczovL2lzZXJ2LWhlcmRlcnNjaHVsZS1naWVzc2VuLmRlL2lzZXJ2LyIsImV4cCI6MTc4NjM5NjI2NCwibmJmIjoxNzc4NjIwMjA0LCJpYXQiOjE3Nzg2MjAyNjQsInNpZCI6IiJ9.TJUQurhcnWu_HTlABBdVjt53cnxI-pER02ff8XgUiWwdE-AqSKBHdJybF4Zb3hcXyfZ9hy1sjLZ9MtGw0JP_Jg

Technology

Server
IServ
CMS
Gatsby

Registration

Updated
2018-10-15
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 iserv-herderschule-giessen.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)

E7
from 2026-04-06 to 2026-07-05
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://iserv-herderschule-giessen.de/iserv/auth/login?_target_path=/iserv/auth/auth?_iserv_app_url%3D%2Fiserv%2F%26client_id%3D16_1o1a60e3sns0cc0oss40s040kog88o0kgsscg4cwkosc48csc8%26nonce%3D22c941de-c7b6-483e-aa36-9273da854500%26redirect_uri%3Dhttps%253A%2F%2Fiserv-herderschule-giessen.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.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL2lzZXJ2LWhlcmRlcnNjaHVsZS1naWVzc2VuLmRlL2lzZXJ2LyIsIm5vbmNlIjoiMjJjOTQxZGUtYzdiNi00ODNlLWFhMzYtOTI3M2RhODU0NTAwIiwiYWRtaW4iOmZhbHNlLCJpc3MiOiJodHRwczovL2lzZXJ2LWhlcmRlcnNjaHVsZS1naWVzc2VuLmRlL2lzZXJ2LyIsImV4cCI6MTc4NjM5NjI2NCwibmJmIjoxNzc4NjIwMjA0LCJpYXQiOjE3Nzg2MjAyNjQsInNpZCI6IiJ9.TJUQurhcnWu_HTlABBdVjt53cnxI-pER02ff8XgUiWwdE-AqSKBHdJybF4Zb3hcXyfZ9hy1sjLZ9MtGw0JP_Jg

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)