indexo.dev

riptutorial.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 440 ms crawled 2026-05-19

US · 104.21.42.117 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Learn programming languages with books and examples
Description
Over 1000 topics to learn about any programming languages/software such as C#, Dapper, Entity Framework, SQL, and more!
Language
en

Open Graph

url
https://riptutorial.com/
title
Learn programming languages with books and examples
description
Over 1000 topics to learn about any programming languages/software such as C#, Dapper, Entity Framework, SQL, and more!

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • cdn.jsdelivr.net×3
  • code.jquery.com×1
  • s7.addthis.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2018-01-09
Expires
2027-01-09 233 days left
Updated
2025-03-30
Name servers
  • kay.ns.cloudflare.com
  • terin.ns.cloudflare.com

DNS records live

NS
  • kay.ns.cloudflare.com
  • terin.ns.cloudflare.com
Verified for
  • Google

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-22 to 2026-07-21
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://riptutorial.com/

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

Links to (4)

Linked from (2)