u-school.org

.org crawl

First seen 2026-05-08 · Last seen 2026-05-17 · ok HTTP/1.1 200 2924 ms crawled 2026-05-15

US · 18.211.132.69 · AS14618 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

sector nonprofit type homepage

HTML metadata

Title: Home | u-school for Transformation by Presencing Institute
Description: Welcome to Presencing Institute's u-school for Transformation—equipping changemakers to lead systemic transformations through the pioneering Theory U methodology.
Language: en

Open Graph

title: Home | u-school for Transformation by Presencing Institute
description: Welcome to Presencing Institute's u-school for Transformation—equipping changemakers to lead systemic transformations through the pioneering Theory U methodology.

Technology

CMS: Next.js

Social

Contact

Email

support@presencing.org

Registration

Registrar

GoDaddy.com, LLC

Created

2013-12-20

Expires

2027-12-20 578 days left

Updated

2026-02-03

Name servers

ns09.domaincontrol.com
ns10.domaincontrol.com

DNS records live

NS

ns09.domaincontrol.com
ns10.domaincontrol.com

MX

0 uschool-org0c.mail.protection.outlook.com

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsA7VhvOXPo6Q554RnKHJI0h35KmW16YVxaX4vftTuvYU4oOXOUqDINmpWGXaInVlVxGpZ29oencS3+VOdu…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1OYHNKt72Igsl8tyEoHjChSPJwCNvZx0N26KciSEwdp/hs/VkF/KYZdwFwSv+K3URYPihY3gwDFolVgvaTZHoqU…

selectors probed

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2025-05-08 to 2026-06-09

Expires in 19 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.u-school.org

present

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

findings

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=15724800; includeSubDomains