indexo.dev

seadev.de

.de crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 145 ms crawled 2026-06-02

DE · 136.243.234.139 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Seadev
Description
Seadev - Software Development
Language
de

Technology

Server
nginx

Social

Registration

Updated
2025-10-15
Name servers
  • bingo.ns.cloudflare.com.
  • yahir.ns.cloudflare.com.

DNS records live

NS
  • bingo.ns.cloudflare.com
  • yahir.ns.cloudflare.com
MX
  • 10 mail01.seadev.de
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.seadev.de ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:bfa9b8bb07404923bfb022762cbd2e6f@dmarc-reports.cloudflare.net;
policy: reject (enforced)
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqNZ0y76Q3FQsatQ3zHsQzymPLe/ldfx58pk7v7zEZ9wLg52g9n/rM2FnZ2jcgvHbSikN…
selectors probed

Certificate (current)

E8
from 2026-05-16 to 2026-08-14
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://seadev.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=31536000; includeSubDomains; preload

Links to (9)

Linked from (1)