denker-carstensen.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 5088 ms crawled 2026-05-17

DE · 167.235.173.209 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Startseite Denker & Carstensen
Language
de
Generator
gradwerk CMS 6 - www.gradwerk.de
Canonical
https://denker-carstensen.de

Open Graph

title
Startseite Denker & Carstensen

Technology

Server
CMS

Contact

Email
Phone

Registration

Updated
2026-02-17
Name servers
  • kiel.jessenlenz.com.
  • ns.jessenlenz.com.

DNS records live

NS
  • kiel.jessenlenz.com
  • ns.jessenlenz.com
MX
  • 10 denkercarstensen-de01e.mail.protection.outlook.com
TXT
  • MS=A6549ABFF5549280D9B45CB2576086061B7C6B32
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:87.128.59.37/32 a:relay.jessenlenz.com include:spf.gradwerk.de include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1;p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-13 to 2026-07-12
Expires in 52 days

HTTP security headers

Header hygiene 60/100 Checked live page: https://denker-carstensen.de/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload;

Linked from (1)