clbooks.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 4959 ms crawled 2026-05-19

US · 104.21.20.231 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Computer Literacy Bookstore
Description
Computer Literacy Bookstore | Computer Bookstore
Language
en-US
Canonical
/
Feeds

Technology

CDN
Cloudflare
CMS
WordPress

Registration

Registrar
Dynadot Inc
Created
2002-11-13
Expires
2026-11-13 177 days left
Updated
2025-10-04
Name servers
  • nikon.ns.cloudflare.com
  • tara.ns.cloudflare.com

DNS records live

NS
  • nikon.ns.cloudflare.com
  • tara.ns.cloudflare.com
MX
  • 10 mx10.mailspamprotection.com
  • 20 mx20.mailspamprotection.com
  • 30 mx30.mailspamprotection.com

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-09 to 2026-07-08
Expires in 49 days

HTTP security headers

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

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

Links to (1)

Linked from (1)