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signal-iduna.net

.net crawl

First seen 2026-05-01 · Last seen 2026-05-20 · ok HTTP/1.1 200 435 ms crawled 2026-05-08

DE · 91.105.243.19 · AS33873 Arvato Systems GmbH

Reputation 64/100 wrong cert weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Fine!

Technology

Server
nginx

Registration

Registrar
Deutsche Telekom AG
Created
2000-09-13
Expires
2026-09-13 115 days left
Updated
2025-08-16
Name servers
  • ns-sec.signal-iduna.de
  • ns.signal-iduna.de
  • pns.dtag.de
  • secondary006.dtag.net

DNS records live

NS
  • ns-sec.signal-iduna.de
  • ns.signal-iduna.de
  • pns.dtag.de
  • secondary006.dtag.net
MX
  • 30 ms01.signal-iduna.de
  • 30 ms02.signal-iduna.de
TXT
Show 4 TXT records
  • _telesec-domain-validation=338427_2024-12-17_wHAyzx0OFWyTCbvOWaK3TUz1zZNXHy9zzSnlLW8DdNw947pGQ5
  • D-TRUST=PVEHRIS3E2D8KPDUIMYJNBQ
  • V/2gM1V5WxC2b6LCFsH68KUNqikiI9lZoh9kTJ08eBWatPi0M9jtg4QMBHG3an2xx1AVJ0M2BI/NCPq7TJj6pQ==
  • swisssign-check=Auk9nPakZDgMWWl78H1xWinITAE
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 redirect=signal-iduna.de
no all qualifier
DMARC
v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:signal-iduna-gruppe-hauptverwaltung@rua.agari-eu.com,mailto:signal-iduna@rua.agari-eu.com; ruf=mailto:signal-iduna-gruppe-hauptverwaltung@ruf.agari-eu.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current) wrong cert

Thawte TLS RSA CA G1
from 2025-07-17 to 2026-07-17
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://signal-iduna.net/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)