opencms.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 664 ms crawled 2026-05-07

FI · 95.217.117.125 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

sector tech type homepage

HTML metadata

Title

OpenCms, the user-friendly open source CMS

Description

OpenCms from Alkacon Software is a professional, easy-to-use CMS for managing large websites.

Language

Canonical

https://www.opencms.org/en

Translations

Open Graph

url: https://www.opencms.org/en
title: OpenCms, the user-friendly open source CMS
locale: en
description: OpenCms from Alkacon Software is a professional, easy-to-use CMS for managing large websites.

Technology

Server: OpenCms

Social

Registration

Registrar

united-domains GmbH

Created

1999-07-10

Expires

2026-07-10 50 days left

Updated

2026-04-03

Name servers

ns.udag.org
ns.udag.de
ns.udag.net

DNS records live

NS

ns.udag.de
ns.udag.net
ns.udag.org

MX

10 mx.opencms.org

Verified for

Google

Email authentication strong

SPF

v=spf1 +mx +a:mx.alkacon.com +ip4:81.169.227.1/20 ~all

softfail (~all)

DMARC

v=DMARC1;p=none;sp=none;pct=100;rua=mailto:pleskadmin@opencms.org;ruf=mailto:pleskadmin@opencms.org;ri=86400;fo=1

policy: none (monitoring only) · sp=none

DKIM

default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvL6aTEp2qk+Bj0YrHxZ8vXEMl9a+iGh6eQcbwaz9D+wmuPuKtSxXnIlK51KWn2hDS1GWJH/wSGfkw83SV4ZuE…

selectors probed

Certificate (current)

from 2026-03-28 to 2026-06-26

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.opencms.org/en

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors self
strict-transport-security: max-age=63072000; includeSubDomains; preload