indexo.dev

theideaofthebook.com

.com crawl

First seen 2026-05-01 · Last seen 2026-05-08 · ok HTTP/1.1 200 2441 ms crawled 2026-05-08

US · 151.101.193.91 · AS54113 Fastly, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
The Idea of the Book
Description
Welcome to the website of The Idea of the Book
Language
en-US

Open Graph

site name
The Idea of the Book

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • theideaofthebook.cdn.bibliopolis.com×34
  • www.bibliopolis.com×4
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2016-05-28
Expires
2027-05-28 373 days left
Updated
2024-04-22
Name servers
  • ns1.bibliopolis.com
  • ns2.bibliopolis.com

DNS records live

NS
  • ns.rackspace.com
  • ns2.rackspace.com
MX
  • 10 mx1.emailsrvr.com
  • 20 mx2.emailsrvr.com
TXT
  • google-site-verification=QAcFE-TZfl08tgFBY073LDaa92fvoarmXVTAJKSM3W8

Email authentication partial

SPF
v=spf1 include:spf.bibliopolis.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-28 to 2026-06-26
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.theideaofthebook.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31557600

Links to (3)

Linked from (1)

See all sites whose homepage links to theideaofthebook.com →