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secure-inbox.de

.de ok HTTP/1.1 200 419 ms

First seen 2026-06-04 · Last seen 2026-06-18 · crawled 2026-06-18

DE · 188.68.47.27 · AS197540 netcup GmbH

Reputation 100/100

sector tech subsector cybersecurity type homepage

HTML metadata

Title
Secure-Inbox
Language
en-gb

Technology

Server
nginx

Registration

Updated
2026-05-22
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net
MX
  • 10 mail.secure-inbox.de
TXT
  • zone-ownership-verification-5e62cf9362714b8513b527f881405c72fa2993e4492265e5f6c5078b5dcee6e2

Email authentication strong

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
v=DMARC1;p=quarantine;rua=mailto:dmarc@secure-inbox..de;sp=quarantine;
policy: quarantine · sp=quarantine
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2G6i9aOMw07+RLn2yVvrPMEYSBy8PJ+1QF0NvlLBzPO4OPhJpi24CyIyXhqFNvrUyFIH…
selectors probed

Certificate (current)

R13
from 2026-04-22 to 2026-07-21
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://mail.secure-inbox.de

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15768000;

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