indexo.dev

knapp-engineering.de

.de crawl

First seen 2026-05-16 · Last seen 2026-05-16 · ok HTTP/1.1 200 652 ms crawled 2026-05-20

DE · 217.160.0.251 · AS8560 IONOS SE

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Knapp Engineering
Language
de-DE
Generator
Divi v.4.27.4
Canonical
https://knapp-engineering.de/
Translations
  • de ×2
  • en ×2
Feeds

Open Graph

url
https://knapp-engineering.de/
title
Home - Knapp Engineering
locale
de_DE
site name
Knapp Engineering

Technology

Server
Apache
CMS
WordPress 4.27.4 outdated (current 6.8)

Social

Contact

Email
Phone

Registration

Updated
2023-02-02
Name servers
  • ns1057.ui-dns.com.
  • ns1068.ui-dns.de.
  • ns1068.ui-dns.org.
  • ns1114.ui-dns.biz.

DNS records live

NS
  • ns1057.ui-dns.com
  • ns1068.ui-dns.de
  • ns1068.ui-dns.org
  • ns1114.ui-dns.biz
MX
  • 0 knappengineering-de01c.mail.protection.outlook.com
TXT
  • 3fe594c3df784c6453fbebd6ed7dc93f83b4c48a8d93e5d062e944251e25525
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx ip4:212.172.65.16/28 -ip4:80.155.59.200/29 include:spf.umantis.com include:spf.de.umantis.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-01-31 to 2027-02-15
Expires in 269 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://knapp-engineering.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (7)

Linked from (1)