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Domain report

openemm.org

openemm.org ranks in the top 0.43% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 5 distinct hosts observed under it.

Explore openemm.org in the Web Graph

Connectivity

#567,072harmonic-centrality rank
Top percentile
0.43%
Hosts observed
5

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://openemm.org/ answered with HTTP 200.

DNS records

A
  • 138.201.91.171
AAAA
No records found.
MX
  • 10 openemm-org.mail.protection.outlook.com.
NS
  • a.sec-ns.net.
  • a.prim-ns.de.
  • c.sec-ns.de.
  • m.sec-ns.de.
  • n.sec-ns.net.
AS
Server in network HETZNER-AS, AS24940 · Germany138.201.91.0/24, which holds 138.201.91.171

Live preview

This is a live, sandboxed embed of openemm.org — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
CSL Computer Service Langenbach GmbH d/b/a joker.com
Registered
2006-04-10
Expires
2027-04-10
Last changed
2026-08-12

Nameservers: a.prim-ns.de, a.sec-ns.net, c.sec-ns.de, m.sec-ns.de, n.sec-ns.net

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed: The operation was aborted due to timeout

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
max-age=500
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=15768000
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://openemm.org/HTTP 301

    → https://www.agnitas.de/en/e-marketing_manager/email-marketing-software-variants/openemm/

  2. 2.https://www.agnitas.de/en/e-marketing_manager/email-marketing-software-variants/openemm/HTTP 200

Meta tags

Title
OpenEMM: The open source software for email marketing
Description
OpenEMM - the free open source version of the award-winning E-Marketing Manager is hosted internally and thus meets the criteria of in-house software.
Canonical
Not set
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 6.8.11
Open Graph title
OpenEMM: The open source software for email marketing
Open Graph description
OpenEMM - the free open source version of the award-winning E-Marketing Manager is hosted internally and thus meets the criteria of in-house software.
Open Graph image
https://www.agnitas.de/wp-content/uploads/2021/08/Emma-pose-3-alpha.gif
Open Graph type
article
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

openemm.org has no robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • PHPother

    X-Powered-By: PHP/8.2.33

  • WordPresscms

    <meta name="generator"> = "WordPress 6.8.11"

  • Cloudflare Web Analyticsanalytics

    Found "static.cloudflareinsights.com" in the page's HTML

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