learn21.org

.org crawl

First seen 2026-05-25 · Last seen 2026-06-09 · ok HTTP/1.1 200 3715 ms crawled 2026-05-30

US · 208.92.68.230 · AS395176 Encore Technologies

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: K-12 EdTech Solutions for K-12 Schools | Learn21
Description: Learn21 is a not-for-profit K-12 edtech organization providing device management, IT helpdesk, student identity automation, and CTE analytics. Trusted by 7000+ schools.
Language: en
Canonical: https://learn21.org/

Open Graph

url: https://learn21.org/
title: K-12 EdTech Solutions for K-12 Schools | Learn21
site name: Learn21
description: Learn21 is a not-for-profit K-12 edtech organization providing device management, IT helpdesk, student identity automation, and CTE analytics trusted by 7000+ schools.

Technology

Third-party hosts loaded (1)

unpkg.com×1

Contact

Email

Phone

513-402-2121

Registration

Registrar

GoDaddy.com, LLC

Created

2009-12-17

Expires

2028-12-17 920 days left

Updated

2024-07-05

Name servers

ns07.domaincontrol.com
ns08.domaincontrol.com

DNS records live

NS

ns07.domaincontrol.com
ns08.domaincontrol.com

MX

Show 7 MX records

0 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
15 aspmx4.googlemail.com
15 aspmx5.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

v=verifydomain MS=5832105
MS=1793EEAE5ED0AC9E1B5FDE37E0A04B7EB0C16094

Verified for

Apple
Google
Microsoft
OpenAI
Yahoo

Email authentication partial

SPF

v=spf1 include:_spf.google.com include:spf.constantcontact.com include:mailrelay.learn21.org include:one.zoho.com mx  -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjpufPlrPN4XdQ+6SxHSJ58f/iMPxxNZ3+mwQe0aLjd++aByRsAuMoRAOX+6+eUQA57CM8vFI+fO0VU…

selectors probed

Certificate (current)

from 2026-04-25 to 2026-07-24

Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://learn21.org/

present

permissions-policy

findings

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

Header values

permissions-policy: interest-cohort=()

Links to (3)

Linked from (4)

Use this data via API

Everything on this page for learn21.org is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/learn21.org" \
  -H "X-API-Key: idx_..."

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