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Domain report

openquantumsafe.org

openquantumsafe.org ranks in the top 0.0071% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore openquantumsafe.org in the Web Graph

Connectivity

#9,457harmonic-centrality rank
Top percentile
0.0071%
Hosts observed
3

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://openquantumsafe.org/ answered with HTTP 200.

DNS records

A
  • 54.175.72.151
AAAA
No records found.
MX
  • 10 mx1.forwardemail.net.
  • 10 mx2.forwardemail.net.
NS
  • ns1.dnsimple-edge.com.
  • ns2.dnsimple-edge.net.
  • ns3.dnsimple-edge.io.
  • ns4.dnsimple-edge.org.
AS
Server in network AMAZON-AES, AS14618 · United States54.175.72.0/24, which holds 54.175.72.151

Live preview

Screenshot of openquantumsafe.org

This site sends "X-Frame-Options: sameorigin", which blocks embedding it here.

Since openquantumsafe.org can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

Registrar
Key-Systems GmbH
Registered
2016-10-03
Expires
2027-10-03
Last changed
2026-10-03

Nameservers: ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns1.dnsimple-edge.com, ns3.dnsimple-edge.io

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
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=3888000
X-Frame-Options
sameorigin
X-Content-Type-Options
nosniff
Referrer-Policy
same-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

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

    → https://openquantumsafe.org/

  2. 2.https://openquantumsafe.org/HTTP 200

Meta tags

Title
Home | Open Quantum Safe
Description
Open-source software for prototyping quantum-resistant cryptography
Canonical
https://openquantumsafe.org/
Robots
Not set
Generator
Jekyll v4.4.1
Open Graph title
Home
Open Graph description
Open-source software for prototyping quantum-resistant cryptography
Open Graph image
https://openquantumsafe.org/img/logos/oqs-square-768.jpg
Open Graph type
website
Twitter card
summary
Twitter title
Not set
Twitter image
Not set

robots.txt

openquantumsafe.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

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