d11.org

HTML metadata

Title: The Colorado Springs Schools District 11
Description: Top school district in colorado springs
Language: en-US
Canonical: https://www.d11.org/

Open Graph

url: https://www.d11.org/
title: The Colorado Springs Schools District 11
description: Top school district in colorado springs

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights
Google Tag Manager

Third-party hosts loaded (6)

js.adsrvr.org×1
resources.finalsite.net×1
static.cloudflareinsights.com×1
translate.google.com×1
www.facebook.com×1
www.googletagmanager.com×1

Social

Contact

Phone

719-520-2000

Address

rd ReportsEOY DAC Report 2021

Registration

Registrar

Network Solutions, LLC

Created

1998-08-07

Expires

2027-08-06 443 days left

Updated

2025-06-10

Name servers

d11ns1.d11.org
d11ns2.d11.org

DNS records live

NS

d11ns1.cssd11.k12.co.us
d11ns1.d11.org
d11ns2.cssd11.k12.co.us
d11ns2.d11.org

MX

10 mxa-00034603.gslb.pphosted.com
10 mxb-00034603.gslb.pphosted.com

TXT

Show 8 TXT records

pendo-domain-verification=80444086-242a-49a3-aa37-6e34b20345c0
canva-site-verification=fZsbpCvkrs4qzTMLi9_4Ow
autodesk-domain-verification=5QU2gKVztx00TYd0LVhg
hpe-greenlake-domain-verification=5541647a5949774355383071457768766b76793030634a50466c426a32725972
atlassian-domain-verification=RbFTjMDImK9/xhXmV6O2Y6SIU4NFoljBftIFSxbgU5aTnyhmNqwij9jWEcu8WRxn
openai-domain-verification=dv-SqgAtLg7ibV8Aj0R9mkPENnq
atlassian-sending-domain-verification=a84905a4-fe9b-4a80-b8bb-1543dc765959
ecostruxure-it-verification=4fdfbb20-5130-4fcc-83c5-ce72a1927242

Email authentication strong

SPF

v=spf1 mx:customerspf.schoolmessenger.com ip4:40.91.76.100 ip4:69.196.242.0/24 ip4:192.230.230.0/24 ip4:104.40.0.0/12 ip4:148.163.151.162 ip4:148.163.155.110 ip4:173.194.0.0/16 ip4:199.245.156.0/24 ip4:207.126.144.0/20 ip4:209.85.128.0/17 ip4:216.239.32.0/19 ip4:40.93.0.0/19 ip4:52.177.86.103 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:223.165.113.0/24 ip4:223.165.115.0/24 ip4:223.165.118.0/23 ip4:223.165.120.0/23 ip4:52.35.84.120 include:bbnotify.net include:customerspf.schoolmessenger.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; rua=mailto:dmarc_rua@emaildefense.proofpoint.com, mailto:dmarc_agg@vali.email; adkim=r; aspf=r; fo=1

policy: quarantine

DKIM

Show 4 DKIM selectors

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkBDVgdN1AlGZ0G6RD2fpcU2NIP5E4XnaX6khq17ToweE8ocB1xwY6SJ9CRANh+N+F+UjVmIdcgGg0Q…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDK2hxSAyDvW8iByMbMa0W4GOUkXRCdcGXnIcGYwm9p7bbXrmTcjbhrApRm1L1O7gyLownN3bF7gSNKSP6nRZ…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA53LH3PjeDL+wi+rdEtyUC91Kb7r/BWM2yB0NRm+arAC+pc5ATwierqwFSFsGXy4pIwmmKb8ahqi32H…
dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu7JfhqFAZ4HW/58L9efQKuOGqqZ/GPTNN8gjmpl6PE2II9qYM2bg5pBoDoPfVVeJr3M4bDPBDcfZxR…

selectors probed

Certificate (current)

E8

from 2026-04-05 to 2026-07-04

Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.d11.org/

present

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

findings

missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self';
strict-transport-security: max-age=31536000