indexo.dev

ulf-renner.de

.de crawl

First seen 2026-04-30 · Last seen 2026-04-30 · ok HTTP/1.1 200 2036 ms crawled 2026-05-08

DE · 91.216.248.23 · AS47447 23M GmbH

Reputation 92/100 no dmarc policy

sector other type homepage

HTML metadata

Title
Profilseite – Ulf Renner
Language
de

Technology

Server
openresty
CMS
Gatsby

Third-party hosts loaded (3)

  • assets.setmore.com×2
  • cloud.ccm19.de×1
  • filedn.eu×1

Contact

Email

Registration

Updated
2025-11-17
Name servers
  • ns1.lima-city.de.
  • ns2.lima-city.de.
  • ns3.lima-city.de.

DNS records live

NS
  • ns1.lima-city.de
  • ns2.lima-city.de
  • ns3.lima-city.de
MX
  • 0 mail.lima-city.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-03-28 to 2026-06-26
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://ulf-renner.de/

present
  • strict-transport-security
  • content-security-policy
findings
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (4)

Linked from (1)