indexo.dev

datanuggets.org

.org crawl

First seen 2026-04-18 · Last seen 2026-05-09 · ok HTTP/1.1 200 7870 ms crawled 2026-05-12

US · 192.231.113.175 · AS231 Michigan State University

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Data Nuggets | Bringing authentic research and data into K-16 classrooms
Description
Free activities that bring real scientific data into the classroom, guiding students through the process of science while building their quantitative abilities.
Canonical
https://datanuggets.org/
Feeds

Open Graph

url
https://datanuggets.org/
title
Data Nuggets | Bringing authentic research and data into K-16 classrooms
locale
en_US
site name
Data Nuggets
description
Free activities that bring real scientific data into the classroom, guiding students through the process of science while building their quantitative abilities.

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • platform-api.sharethis.com×2
  • fonts.googleapis.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2013-05-03
Expires
2028-05-03 713 days left
Updated
2026-05-09
Name servers
  • ns31.domaincontrol.com
  • ns32.domaincontrol.com

DNS records live

NS
  • ns31.domaincontrol.com
  • ns32.domaincontrol.com
MX
  • 0 datanuggets-org.mail.protection.outlook.com
TXT
  • NETORGFT10746725.onmicrosoft.com

Email authentication weak

SPF
v=spf1 include:secureserver.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

InCommon RSA Server CA 2
from 2025-06-12 to 2026-06-13
Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://datanuggets.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
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (2)

Linked from (1)