indexo.dev

seriousmanual.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 7422 ms crawled 2026-05-15

DE · 89.107.187.181 · AS12843 TelemaxX Telekommunikation GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Serious Manual
Language
en

Open Graph

url
https://www.seriousmanual.com
title
Serious Manual

Technology

Server
nginx

Social

Contact

Email
Phone

Registration

Registrar
RegistryGate GmbH
Created
2019-12-07
Expires
2026-12-07 202 days left
Updated
2025-12-08
Name servers
  • ns1.nshost2.de
  • ns2.nshost2.de
  • ns3.nshost2.net

DNS records live

NS
  • ns1.nshost2.de
  • ns2.nshost2.de
  • ns3.nshost2.net
MX
  • 10 xb6.serverdomain.org

Email authentication weak

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

Certificate (current)

R13
from 2026-04-03 to 2026-07-02
Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.seriousmanual.com/

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

Links to (2)

Linked from (1)