riverkeeper.org

.org crawl

First seen 2026-04-17 · Last seen 2026-05-18 · ok HTTP/1.1 200 15741 ms crawled 2026-05-18

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Riverkeeper - Protecting the Hudson River & Safeguarding Drinking Water
Description: Protecting the Hudson River & Safeguarding Drinking Water
Language: en

Open Graph

url: /
title: Riverkeeper - Protecting the Hudson River & Safeguarding Drinking Water
locale: en_US
site name: Riverkeeper - Protecting the Hudson River & Safeguarding Drinking Water
description: Protecting the Hudson River & Safeguarding Drinking Water

Technology

CDN: Vercel
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (2)

www.googletagmanager.com×2
translate.google.com×1

Social

Registration

Registrar

Porkbun LLC

Created

1998-03-27

Expires

2028-03-26 676 days left

Updated

2026-03-22

Name servers

ariadne.ns.cloudflare.com
joel.ns.cloudflare.com

DNS records live

NS

ariadne.ns.cloudflare.com
joel.ns.cloudflare.com

MX

1 riverkeeper.org.1.0001.arsmtp.com
5 riverkeeper.org.2.0001.arsmtp.com

TXT

Show 5 TXT records

facebook-domain-verification=giem7sdqgpsb9ccdfsltg9s6o0s5ir
google-site-verification=-7hqJMEn_YGtJoNC6svCMZEWcky_YDFZF3thI2jiuBI
pardot1083172=253ae489050523875b3e2f03598e33150fe4c9a370d9791ea65bb9b2adb77e56
sending_domain1083172=d85fd555a798ccdbdc607fee40671df413234b0979df0edf8566d6793a3d3d4a
MS=ms81072485

Email authentication weak

SPF: v=spf1 ip4:198.2.132.142 include:_spf.google.com include:_spf.soapboxengage.com include:mailgun.org -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-03-28 to 2026-06-26

Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.riverkeeper.org/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=63072000