indexo.dev

opencpu.org

.org crawl

First seen 2026-05-06 · Last seen 2026-05-06 · ok HTTP/1.1 200 481 ms crawled 2026-05-13

US · 172.67.137.115 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector other type parked

HTML metadata

Language
en

Technology

CDN
Fastly
Server
GitHub.com

Registration

Registrar
Key-Systems GmbH
Created
2011-03-13
Expires
2027-03-13 297 days left
Updated
2026-04-27
Name servers
  • igor.ns.cloudflare.com
  • kara.ns.cloudflare.com

DNS records live

NS
  • igor.ns.cloudflare.com
  • kara.ns.cloudflare.com
MX
  • 36 route3.mx.cloudflare.net
  • 55 route1.mx.cloudflare.net
  • 91 route2.mx.cloudflare.net

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-15 to 2026-06-13
Expires in 25 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.opencpu.org

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

Linked from (1)