indexo.dev

heidelberg-dzif.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-13 · ok HTTP/1.1 200 2960 ms crawled 2026-05-10

US · 13.248.175.166 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home
Language
de
Canonical
https://www.heidelberg-dzif.de/
Feeds

Open Graph

url
https://www.heidelberg-dzif.de/

Technology

Server
nginx

Third-party hosts loaded (3)

  • static.cdn-website.com×5
  • irp.cdn-website.com×4
  • lirp.cdn-website.com×3

Registration

Updated
2023-05-15
Name servers
  • ns2.checkdomain.de.
  • ns.checkdomain.de.

DNS records live

NS
  • ns.checkdomain.de
  • ns2.checkdomain.de
MX
  • 10 mx03.secure-mailgate.com
  • 20 mx04.secure-mailgate.com

Email authentication weak

SPF
v=spf1 include:secure-mailgate.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://heidelberg-dzif.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; preload

Links to (8)

Linked from (2)