indexo.dev

rdctd.de

.de dns crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 455 ms crawled 2026-06-02

FI · 65.109.163.243 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
redacted

Technology

Server
Caddy

Contact

Email

Registration

Updated
2022-07-09
Name servers
  • helium.ns.hetzner.de.
  • hydrogen.ns.hetzner.com.
  • oxygen.ns.hetzner.com.

DNS records live

NS
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com
MX
  • 10 mail.rdctd.de
Verified for
  • Google

Email authentication strong

SPF
v=spf1 mx a:mail.rdctd.de ip4:162.55.34.53/32 ip6:2a01:4f8:c012:be2::/64 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@rdctd.de; ruf=mailto:postmaster@rdctd.de
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

YE1
from 2026-06-02 to 2026-08-31
Expires in 89 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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