indexo.dev

sinistra.net

.net crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 293 ms crawled 2026-06-01

DE · 213.187.93.15 · AS16097 HL komm Telekommunikations GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
sinistra.net – the online archives of the communist left
Description
Welcome to sinistra.net, the host of the International Library of the Communist Left. This site contains texts in English, French, German, Spanish, Russian and of course Italian…
Language
en
Canonical
https://www.sinistra.net/index.html

Technology

Server
Apache

Registration

Registrar
InterNetX GmbH
Created
1998-12-03
Expires
2026-12-02 182 days left
Updated
2025-11-27
Name servers
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 10 mail03.loswebos.de

Email authentication weak

SPF
v=spf1 mx a include:_spf.isp-nameserver.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-09 to 2026-07-08
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sinistra.net/

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

Linked from (1)