indexo.dev

doppelberger.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 1101 ms crawled 2026-05-13

DE · 212.132.65.179 · AS8560 IONOS SE

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Schreinerei Doppelberger
Language
de
Canonical
https://doppelberger.de/

Technology

Server
nginx
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • doppelbergerde32cf5.zapwp.com×11
  • fonts.googleapis.com×2
  • optimize-v2.b-cdn.net×2
  • optimizerwpc.b-cdn.net×2
  • gmpg.org×1

Registration

Updated
2017-05-07
Name servers
  • cns1.alfahosting.info.
  • cns2.alfahosting.info.
  • cns3.alfahosting.info.

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 0 doppelberger-de.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-09 to 2026-07-08
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://doppelberger.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Linked from (1)