indexo.dev

postkaste.de

.de dns

First seen 2026-05-02 · Last seen 2026-05-18 · ok HTTP/1.1 200 2347 ms crawled 2026-05-09

DE · 157.90.26.118 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

sector tech type homepage

HTML metadata

Title
Roundcube Webmail :: Welcome to Roundcube Webmail
Language
en

Technology

Server
nginx

Third-party hosts loaded (1)

  • vpn.wapmedia.de×2

Registration

Updated
2025-12-22
Name servers
  • vida.ns.cloudflare.com.
  • zod.ns.cloudflare.com.

DNS records live

NS
  • vida.ns.cloudflare.com
  • zod.ns.cloudflare.com
MX
  • 10 mx1.postkaste.de

Email authentication partial

SPF
v=spf1 ip4:157.90.26.118 ip6:2a01:4f8:c2c:e097::1 a mx -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:domain@postkaste.de,mailto:c3292cb4@mxtoolbox.dmarc-report.com; ruf=mailto:domain@postkaste.de,mailto:c3292cb4@forensics.dmarc-report.com; fo=1
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApr+ZbGTk/hxFAxsAbkluPFCX/HrOiAcnlpFAAptN0AETgxvbIdN2T+7sWnLUt+pFEXpVyeVbE/6ZOTloNDRfn…
  • mail: v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA30BgHT8iPk9/IvanNh1tFYz8Ur3Q6ud9dP16Vc6VB4LrK5U/23UQ0F3gKAdWZcSq42X8…
selectors probed

Certificate (current)

R12
from 2026-04-06 to 2026-07-05
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://webmail.postkaste.de

present
  • strict-transport-security
  • x-frame-options
findings
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin
strict-transport-security
max-age=15768000; includeSubDomains

Links to (1)