hfs-tn.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-03 · ok HTTP/1.1 200 1544 ms crawled 2026-05-09

DE · 93.217.134.251 · AS3320 Deutsche Telekom AG

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Technology

Server
IServ
CMS
Gatsby

Registration

Updated
2025-05-12
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 hfs-tn.de
  • 50 offline.iserv.eu

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 2026-03-10 to 2026-06-08
Expires in 20 days

HTTP security headers

Header hygiene 95/100 Checked live page: https://hfs-tn.de/iserv/auth/login?_target_path=/iserv/auth/auth?_iserv_app_url%3D%2Fiserv%2F%26client_id%3D2_5mq127p3r1wccw08g08kg8s80os0gok8wcsckgkwkw4o4o0wg0%26nonce%3D800643d0-196c-42db-94ce-a5be935ce1d3%26redirect_uri%3Dhttps%253A%2F%2Fhfs-tn.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.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL2hmcy10bi5kZS9pc2Vydi8iLCJub25jZSI6IjgwMDY0M2QwLTE5NmMtNDJkYi05NGNlLWE1YmU5MzVjZTFkMyIsImFkbWluIjpmYWxzZSwiaXNzIjoiaHR0cHM6Ly9oZnMtdG4uZGUvaXNlcnYvIiwiZXhwIjoxNzg2MTI5Mzc4LCJuYmYiOjE3NzgzNTMzMTgsImlhdCI6MTc3ODM1MzM3OCwic2lkIjoiIn0.dRucJr8XRdrgc5Sp_6jW-J2rwiUBKjFPwQOxcgkGNrAH5rybQiuTEYy4vL5Ym6AAwMF2DvbwPQnhh9U_Dnf9ZA

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)