indexo.dev

tentabsopen.org

.org crawl

First seen 2026-05-05 · Last seen 2026-05-05 · ok HTTP/1.1 200 1201 ms crawled 2026-05-12

DE · 46.225.57.145 · AS24940 Hetzner Online GmbH

Reputation 69/100 listed in spam blocklist dmarc monitor-only

sector other type homepage

HTML metadata

Title
tentabsopen
Description
Just another publishing house
Language
en-US

Open Graph

url
https://tentabsopen.org/
title
tentabsopen
description
Just another publishing house

Technology

Server
nginx
Analytics
  • Plausible

Third-party hosts loaded (1)

  • plausible.io×1

Social

Contact

Email

Registration

Registrar
InterNetX GmbH
Created
2019-08-19
Expires
2026-08-19 91 days left
Updated
2025-10-03
Name servers
  • ns1.world4you.at
  • ns2.world4you.at

DNS records live

NS
  • ns1.world4you.at
  • ns2.world4you.at
MX
  • 10 mail.tentabsopen.org

Email authentication partial

SPF
v=spf1 mx include:spf.w4ymail.at -all
strict (-all)
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ngLnmAQpoHwoT/l/UFP1ybcb2MOCxq9tG3x2e/wT+VL+9l7T1OTCXe39b6+ft3XktzPZTfO548y51L65T…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn3ifKT62XyA43HHaCj5+14oxlkz1ueUb8M63tTNPQU/IKuieev5VvtsfE1/aHnAm4hnyOAAtEe6LSbbASa…
selectors probed

Certificate (current)

E8
from 2026-03-25 to 2026-06-23
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://tentabsopen.org/

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

Links to (1)

Linked from (1)