duncanvilleisd.org

.org crawl

First seen 2026-04-17 · Last seen 2026-05-12 · ok HTTP/1.1 200 1988 ms crawled 2026-05-12

US · 104.17.68.73 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Home - Duncanville Independent School District
Description
Home - Duncanville Independent School District
Language
en-US
Canonical
https://www.duncanvilleisd.org/

Open Graph

url
https://www.duncanvilleisd.org/
title
Home - Duncanville Independent School District
description
Home - Duncanville Independent School District

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdn.weglot.com×1
  • static.cloudflareinsights.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2001-04-26
Expires
2032-04-26 2167 days left
Updated
2025-04-29
Name servers
  • ns47.domaincontrol.com
  • ns48.domaincontrol.com

DNS records live

NS
  • ns47.domaincontrol.com
  • ns48.domaincontrol.com
MX
  • 0 duncanvilleisd-org.mail.protection.outlook.com
TXT
Show 4 TXT records
  • v=b594bd75-0dcb-494f-9e1b-9c7d0f33d343
  • autodesk-domain-verification=WD5A-lKYq6TU9gi2AXHm
  • have-i-been-pwned-verification=9aa3d092dc86c1e9c9d1ff73d6301153
  • Uls3gxUkzdinKR4xX/y7mZURoPbEP566+oNbdJjsVumTI7QOGLIJoV5mujl7JJa4eCzh4FZvGlyCj38xlg4iHA==
Verified for
  • Adobe
  • Apple

Email authentication strong

SPF
v=spf1 a mx ip4:216.213.255.95 ip4:216.213.255.96 ip4:66.195.143.26 ip4:8.12.72.20 ip4:12.51.228.127 include:customerspf.schoolmessenger.com include:spf.protection.outlook.com include:_spf.google.com include:_spf.salesforce.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email,mailto:c9ddc108@mxtoolbox.dmarc-report.com,mailto:dmarc@duncanvilleisd.org; ruf=mailto:c9ddc108@forensics.dmarc-report.com,mailto:dmarc@duncanvilleisd.org; fo=d
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYy688V6slXNVrapltnqfNYaf4NZ4tADMkGE13GBjLEKsYujLGl5XKQ7ruI6xtowj4EEstT3+Aiv9eaQULR5…
selectors probed

Certificate (current)

E7
from 2026-05-08 to 2026-08-06
Expires in 77 days

HTTP security headers

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

Links to (14)

Linked from (1)