rssvalidator.app

.app crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1646 ms crawled 2026-05-18

US · 104.21.60.63 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: RSS Feed Validator Online - Check & Preview Your Feed | RSS Validator
Description: Free RSS feed validator. Check XML syntax errors, validate W3C compliance, and preview your feed content. Supports RSS 2.0, Atom, JSON Feed & podcasts.
Language: en
Canonical: https://rssvalidator.app

Open Graph

url: https://rssvalidator.app
title: RSS Feed Validator Online - Check & Preview Your Feed
locale: en_US
site name: RSS Validator
description: Free RSS feed validator. Check XML syntax errors, validate W3C compliance, and preview your feed content. Supports RSS 2.0, Atom, JSON Feed & podcasts.

Technology

CDN: Cloudflare
CMS: Next.js

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.gstatic.com×2
fonts.googleapis.com×1

Contact

Address: st RSS GuideAtom vs RSSJSON Feed GuideRSS Feed Examples©2026

DNS records live

NS

graham.ns.cloudflare.com
maya.ns.cloudflare.com

MX

10 eforward1.registrar-servers.com
10 eforward2.registrar-servers.com
10 eforward3.registrar-servers.com
15 eforward4.registrar-servers.com
20 eforward5.registrar-servers.com

TXT

google-site-verification=zStocX1I-Ptr3O3yy3u2o0zQ3ph3zXsZZG2Ux1GwDmk

Email authentication weak

SPF: v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-03-24 to 2026-06-22

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://rssvalidator.app/

present

x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN

Links to (1)

rss.app×4

Linked from (1)

rss.app×4