coloradoschoolgrades.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 6637 ms crawled 2026-05-07

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Find Colorado's best schools – Colorado School Grades
Description: Colorado School Grades provides parents and students with school performance information that is both accessible and easy-to-understand so they can make informed decisions about the schools they choose.
Canonical: https://www.coloradoschoolgrades.com/

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Ads

Google Ads (DoubleClick)
Meta Pixel

Third-party hosts loaded (5)

4463380.fls.doubleclick.net×1
ajax.googleapis.com×1
connect.facebook.net×1
maps.googleapis.com×1
www.googletagmanager.com×1

Registration

Registrar

GoDaddy.com, LLC

Created

2011-10-25

Expires

2026-10-25 157 days left

Updated

2025-12-14

Name servers

lex.ns.cloudflare.com
penny.ns.cloudflare.com

DNS records live

NS

lex.ns.cloudflare.com
penny.ns.cloudflare.com

MX

10 mx2-hosting.jellyfish.systems
20 mx3-hosting.jellyfish.systems
5 mx1-hosting.jellyfish.systems

Email authentication partial

SPF

v=spf1 ip4:198.54.114.57 ip4:198.54.116.57 include:spf.web-hosting.com +a +mx +ip4:68.65.120.147 +ip4:68.65.120.150 +ip4:68.65.120.152 ~all

softfail (~all)

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuDoYNKz1iJ2jhNdg/NcXLpPGmUo3TtaIB/VwxqKZh87ZpRB+nx5H482xBz/99/iO3QdyUJkPcJeVHP…

selectors probed

Certificate (current)

WE1

from 2026-04-11 to 2026-07-10

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.coloradoschoolgrades.com/

findings

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

Links to (50)

Linked from (1)

therodeomusic.com×2