indexo.dev

rubberduckdebugging.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 290 ms crawled 2026-05-19

US · 104.21.44.83 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Rubber Duck Debugging – Rubber Duck Debugging – Debugging software with a rubber ducky
Description
Debugging software with a rubber ducky
Feeds

Open Graph

title
Rubber Duck Debugging
description
Debugging software with a rubber ducky

Technology

CDN
Cloudflare

Third-party hosts loaded (1)

  • raw.githubusercontent.com×1

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2010-07-20
Expires
2027-07-20 426 days left
Updated
2025-07-05
Name servers
  • anna.ns.cloudflare.com
  • woz.ns.cloudflare.com

DNS records live

NS
  • anna.ns.cloudflare.com
  • woz.ns.cloudflare.com
MX
  • 10 mx1.forwardemail.net
  • 10 mx2.forwardemail.net
TXT
  • forward-email-site-verification=zvxZFC4INr

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-08 to 2026-07-07
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (8)

Linked from (1)