coreknowledge.org

.org crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 2090 ms crawled 2026-05-14

US · 199.16.173.204 · AS2635 Automattic, Inc

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Core Knowledge Foundation

Language

Generator

Site Kit by Google 1.178.0

Canonical

https://www.coreknowledge.org/

Feeds

Core Knowledge Foundation RSS Feed RSS

Technology

Server: nginx
CMS: WordPress

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

www.googletagmanager.com×5
fonts.googleapis.com×2
www.google.com×2
fonts.gstatic.com×1

Social

Contact

Email

Phone

Address

PO Box 7386Charlottesville, VA 22906

Registration

Registrar

Network Solutions, LLC

Created

1997-01-25

Expires

2027-01-26 252 days left

Updated

2025-12-02

Name servers

pablo.ns.cloudflare.com
tani.ns.cloudflare.com

DNS records live

NS

pablo.ns.cloudflare.com
tani.ns.cloudflare.com

MX

0 coreknowledge-org.mail.protection.outlook.com

TXT

MS=4C360946EA3BD270114A72D2D5EB89D061816645
MS=ms33014913
ca3-443a0fcffce7459ebc37484eb47077b7

Email authentication partial

SPF

v=spf1 mx include:spf.protection.outlook.com ip4:50.78.234.50 ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:4dc18553f1fb4b409d29cfebd4a3ee16@dmarc-reports.cloudflare.net;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvuTskzG1NnwRgHQnusrsGhX7JSp6WJJP2RCWc7OXqmwBJmqZIuislB0U6RhhZ77yRRGw4X9TFzqOocWHLwh…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

WR1

from 2026-04-27 to 2026-07-26

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.coreknowledge.org/

present

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

findings

missing Content Security Policy

Header values

referrer-policy: origin-when-cross-origin
x-frame-options: sameorigin
permissions-policy: accelerometer=(self), autoplay=(self), camera=(self), encrypted-media=(self), fullscreen=(self), geolocation=(self), gyroscope=(self), magnetometer=(self), microphone=(self), midi=(self), payment=(self), usb=(self)
x-content-type-options: nosniff
strict-transport-security: max-age=31536000