elsistemacolorado.org

.org crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 978 ms crawled 2026-05-15

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: EL SISTEMA COLORADO
Description: El Sistema Colorado is a free after school string orchestra and music education program in Denver that serves children ages 3-18.
Language: en-US
Canonical: https://www.elsistemacolorado.org

Open Graph

url: https://www.elsistemacolorado.org
title: EL SISTEMA COLORADO
site name: EL SISTEMA COLORADO
description: El Sistema Colorado is a free after school string orchestra and music education program in Denver that serves children ages 3-18.

Technology

Server: Squarespace
CMS: Squarespace

Analytics

Google Tag Manager

Fonts

Google Fonts

Social widgets

YouTube Embed

Third-party hosts loaded (8)

images.squarespace-cdn.com×41
definitions.sqspcdn.com×22
assets.squarespace.com×13
static1.squarespace.com×5
fonts.googleapis.com×1
fonts.gstatic.com×1
www.googletagmanager.com×1
www.youtube.com×1

Social

Contact

Phone

Address

2980 Curtis Street Denver, CO, 80205 United States

Registration

Registrar

Tucows Domains Inc.

Created

2011-08-30

Expires

2026-08-30 101 days left

Updated

2026-01-30

Name servers

dns1.p02.nsone.net
dns2.p02.nsone.net
dns3.p02.nsone.net
dns4.p02.nsone.net

DNS records live

NS

dns1.p02.nsone.net
dns2.p02.nsone.net
dns3.p02.nsone.net
dns4.p02.nsone.net

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
3 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Verified for

Google

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-02 to 2026-07-01

Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.elsistemacolorado.org/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

short HSTS max-age
missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=0

Links to (6)

Linked from (1)

bonfils-stantonfoundation.org×1