indexo.dev

fastmailserver.de

.de dns crawl

First seen 2026-05-12 · Last seen 2026-05-18 · ok HTTP/1.1 200 229 ms crawled 2026-05-18

US · 104.21.86.219 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Mailserver der flowluap GmbH
Description
Svelte demo app
Language
en

Technology

CDN
Cloudflare

Registration

Updated
2025-08-19
Name servers
  • aspen.ns.cloudflare.com.
  • kanye.ns.cloudflare.com.

DNS records live

NS
  • aspen.ns.cloudflare.com
  • kanye.ns.cloudflare.com
MX
  • 10 mail.fastmailserver.de

Email authentication strong

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
v=DMARC1;p=quarantine;pct=100;rua=mailto:rua_domain@fastmailserver.de;ruf=mailto:ruf_domain@fastmailserver.de;adkim=s;aspf=r
policy: quarantine
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArHDboxXa98++jWQt2sz7lji6tzmE53xkD2ffriiZGS2TsnbdwXK6sgDN8DZWZ6SA8N7O…
selectors probed

Certificate (current)

WE1
from 2026-04-13 to 2026-07-12
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)