indexo.dev

isbnsearch.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 2428 ms crawled 2026-05-16

US · 167.172.131.4 · AS14061 DigitalOcean, LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ISBN Search
Description
Find books easily using ISBN, title, or author searches. Search using ISBN-10 or ISBN-13.
Language
en

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • www.googletagmanager.com×1

Registration

Registrar
GoDaddy.com, LLC
Created
2009-08-03
Expires
2026-08-03 75 days left
Updated
2025-09-17
Name servers
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com

DNS records

MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=8RalEgWvwXAnzpDqDQqN0ltKyAy8_Qd5uXxERjVp5Ko
  • google-site-verification=79CnMcey8Po1TXY_0ZDnghKzMU0PzlO7rKWYcp9ya_o

Email authentication weak

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

Certificate (current)

R13
from 2026-03-21 to 2026-06-19
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://isbnsearch.org/

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 (1)