indexo.dev

duisburgcity.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1381 ms crawled 2026-05-19

DE · 147.28.52.163 · AS206141 Duisburger Versorgungs- und Verkehrsgesellschaft mbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Highspeed-Glasfaser für Duisburg
Description
Die Duisburg CityCom ist Ihr Partner rund um die Themen Internet, Telefon und TV. Seit über 25 Jahren bieten wir Ihnen alles aus einer Hand.
Language
de
Generator
TYPO3 CMS
Canonical
https://www.duisburgcity.com/

Technology

Server
Apache
Cookie consent
  • Usercentrics

Third-party hosts loaded (3)

  • code.etracker.com×1
  • code.jquery.com×1
  • web.cmp.usercentrics.eu×1

Registration

Registrar
Global Village GmbH
Created
2018-08-10
Expires
2026-08-10 81 days left
Updated
2025-08-11
Name servers
  • ns01.duit.de
  • ns02.duit.de

DNS records live

NS
  • ns01.duit.de
  • ns02.duit.de
MX
  • 10 mx10.dvv.de
  • 10 mx11.dvv.de
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ip4:87.237.160.25 ip4:185.155.188.146 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:postmaster@dvv.de
policy: quarantine
DKIM
  • k1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDevMWfy+3EiBVt7wypLa890BrVRwEKF1owuFJlKGhMNq+ZekELclTtop90ZmnAeT5N32KC6FPN9C9OFrikO3…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-12-30 to 2027-01-30
Expires in 254 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.duisburgcity.com/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (1)

Linked from (3)