indexo.dev

crackingthecodinginterview.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-09 · ok HTTP/1.1 200 4517 ms crawled 2026-05-09

US · 199.34.228.78 · AS27647 Weebly, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
CRACKING the CODING INTERVIEW - Home
Description
Help software engineers interview at their best. The best-selling book in computer science for 4 years running. Written by a former member of Google's hiring committee, and the consultant on engineering hiring for many of the top tech companies.
Language
en

Open Graph

url
https://www.crackingthecodinginterview.com/
title
CRACKING the CODING INTERVIEW
site name
CRACKING the CODING INTERVIEW
description
Help software engineers interview at their best. The best-selling book in computer science for 4 years running. Written by a former member of Google's hiring committee, and the consultant on engineering hiring for many of the top tech companies.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • cdn2.editmysite.com×8
  • www.googletagmanager.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2010-03-29
Expires
2026-06-27 39 days left
Updated
2025-05-28
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=gvUSkQ7ThPsdOuZsBuokkekFylepuoFdLy1DNbp3SdI

Email authentication weak

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

Certificate (current)

R13
from 2026-03-10 to 2026-06-09
Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (1)