indexo.dev

horizonsca.org

.org crawl

First seen 2026-06-04 · Last seen 2026-06-05 · ok HTTP/1.1 200 568 ms crawled 2026-06-04

US · 104.21.47.67 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Title
Horizons Colorado | Denver, Colorado
Description
Horizons Colorado prepares students to overcome challenges, promotes a lifelong interest in learning, and opens the door to endless possibilities for the future.
Language
en

Technology

CDN
Cloudflare
ASP.NET
4.0.30319
jQuery
1.12.4 known XSS (<3.5)
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (3)

  • code.jquery.com×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Social

Contact

Phone
Address
Horizons Colorado at Colorado Academy3800 S. Pierce St.Denver, CO 80235(303) 914-2541[email protected]

Registration

Registrar
Cloudflare, Inc.
Created
2025-01-13
Expires
2029-01-13 951 days left
Updated
2025-03-27
Name servers
  • elliot.ns.cloudflare.com
  • fiona.ns.cloudflare.com

DNS records live

NS
  • elliot.ns.cloudflare.com
  • fiona.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication partial

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:x18lwocu@ag.us.dmarcian.com;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn8ApG7ECCjygdlxj3DArhQ/n0rp8e1d6QT9XatmaJAU37V6LoYUlL1tf/zg3tu46KsqaYoJdQVfVLS…
selectors probed

Certificate (current)

WE1
from 2026-05-15 to 2026-08-13
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (7)

Linked from (2)

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