f.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-12 · ok HTTP/1.1 204 581 ms crawled 2026-05-15

US · 172.67.128.234 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

CDN
Cloudflare

Registration

Updated
2026-01-03
Name servers
  • jay.ns.cloudflare.com.
  • may.ns.cloudflare.com.

DNS records live

NS
  • jay.ns.cloudflare.com
  • may.ns.cloudflare.com
MX
  • 100 mxlb.ispgateway.de
TXT
  • TELEFONICA = STOP SPAMMING ME

Email authentication weak

SPF
v=spf1 mx include:ispgateway.de include:_spf.createsend.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-14 to 2026-08-12
Expires in 84 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://f.de/

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

Linked from (1)