indexo.dev

flanke7.de

.de crawl

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP/1.1 200 788 ms crawled 2026-05-06

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Flanke 7 GmbH: Jamstack Websites + Performance Marketing
Description
Die schnellsten Websites der Branche: Wir entwickeln rasend schnelle Jamstack Websites ✅ + Performance Marketing ✅ für anhaltende Erfolgserlebnisse.
Language
de

Technology

CDN
Vercel
CMS
Next.js

Third-party hosts loaded (1)

  • polyfill.io×1

Contact

Email
Phone

Registration

Updated
2020-09-08
Name servers
  • ns3.ai-dns.de.
  • ns5.kasserver.com.
  • ns5.name-server-kas.de.
  • ns6.kasserver.com.

DNS records live

NS
  • ns3.ai-dns.de
  • ns5.kasserver.com
  • ns5.name-server-kas.de
  • ns6.kasserver.com
MX
  • 1 smtp.google.com
TXT
  • apple-domain-verification=Xx7oBksNle2a6cqx
  • google-site-verification=Tx4oa7RmA6rXWuerSJMsS-uQJyyp-Y7fHLmaYVuVLc4

Email authentication strong

SPF
v=spf1 ip4:85.13.147.71 include:spf.mailjet.com include:_spf.google.com mx a ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; adkim=r; aspf=r
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnTtwOUt7cmcJgAvIM4/xUXodM1+wBE3QJHCTZsoBx2fo88dQtS+i4eu36axv6jwaAH71IQKeOGoJ4F…
selectors probed

Certificate (current)

R12
from 2026-04-30 to 2026-07-29
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.flanke7.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=63072000

Links to (1)

Linked from (4)