indexo.dev

ef.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 3011 ms crawled 2026-05-06

US · 104.198.104.86 · AS396982 Google LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Homepage - U.S. Energy Foundation
Description
Energy Foundation helps build a strong, clean energy economy.
Language
en-US
Generator
Site Kit by Google 1.177.0
Canonical
https://www.ef.org/

Open Graph

url
https://www.ef.org/
title
Energy Foundation
locale
en_US
site name
U.S. Energy Foundation
description
Energy Foundation helps build a strong, clean energy economy.

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • www.googletagmanager.com×2
  • use.typekit.net×1

Social

Registration

Registrar
easyDNS Technologies Inc.
Created
1994-08-16
Expires
2026-08-15 88 days left
Updated
2025-08-05
Name servers
  • ns3.easydns.org
  • ns1.easydns.com
  • ns2.easydns.com
  • ns6.easydns.net
  • remote2.easydns.com
  • remote1.easydns.com

DNS records live

NS
  • dns1.easydns.com
  • dns2.easydns.net
  • dns3.easydns.org
MX
  • 10 ef-org.mail.protection.outlook.com

Email authentication strong

SPF
v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:mail.zendesk.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:re+ml9hcveyswb@dmarc.postmarkapp.com;
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjuS9JnjVDvcevoT/LJm/JKyFjuU5Enib7mFcTDBSq6jPDLUYvYG7aVHzh34fEDxH2F3vt6jbQyIULH…
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZuxr4FAym49quFDbvvXZhzKChRx41cAkyySHg2RM+3sTifNyWny//oofwFsjuV5a0nJdounB8+HTWaplGvJ…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-03-20 to 2026-06-18
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.ef.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (2)