indexo.dev

elektrotechnik-dufner.de

.de crawl

First seen 2026-05-09 · Last seen 2026-05-09 · ok HTTP/1.1 200 3829 ms crawled 2026-05-15

DE · 217.114.209.164 · AS31103 Keyweb AG

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
ELEKTROTECHNIK DUFNER
Language
de
Generator
WordPress 6.9.4
Canonical
https://elektrotechnik-dufner.de/

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • www.sinex.de×1

Contact

Email
Phone

Registration

Updated
2025-12-17
Name servers
  • ns1.sinex03.de.
  • ns2.sinex03.de.

DNS records live

NS
  • ns1.sinex03.de
  • ns2.sinex03.de
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 +a +mx +ip4:217.114.209.164 include:spf.hornetsecurity.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
policy: reject (enforced) · sp=none
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA54yt8A5U1cdGIkPdGqaIDWX7F9iGviZ96vpBBMmSZ/koEHri6xGTiWRKgGrZpwpfVk2nO/eVb8uPrg…
selectors probed

Certificate (current)

R12
from 2026-04-18 to 2026-07-17
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://elektrotechnik-dufner.de/

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

Links to (1)

Linked from (1)