indexo.dev

johannestassilowalter.com

.com crawl

First seen 2026-04-27 · Last seen 2026-05-16 · ok HTTP/1.1 200 1765 ms crawled 2026-05-20

DE · 164.90.234.178 · AS14061 DigitalOcean, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Johannes Tassilo Walter
Language
en

Technology

Server
nginx

Registration

Registrar
INWX GmbH
Created
2019-02-20
Expires
2027-02-20 275 days left
Updated
2026-02-06
Name servers
  • ns.inwx.de
  • ns2.inwx.de
  • ns3.inwx.eu

DNS records live

NS
  • ns.inwx.de
  • ns2.inwx.de
  • ns3.inwx.eu
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-02 to 2026-07-31
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://johannestassilowalter.com/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)