indexo.dev

bigtenopenbooks.org

.org crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 843 ms crawled 2026-05-13

US · 99.83.231.61 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home | Big Ten Open Books
Description
Collection of open ebook titles publishing by Big Ten University Presses
Language
en
Generator
Gatsby 2.32.13

Open Graph

title
Home
description
Collection of open ebook titles publishing by Big Ten University Presses

Technology

CDN
Netlify
CMS
Gatsby
Analytics
  • Google Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×2
  • www.google-analytics.com×2
  • code.jquery.com×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Registration

Registrar
DreamHost, LLC
Created
2023-03-28
Expires
2027-03-28 311 days left
Updated
2026-03-02
Name servers
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com

DNS records live

NS
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com
MX
  • 0 mx1.mailchannels.net
  • 0 mx2.mailchannels.net

Email authentication weak

SPF
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-30 to 2026-07-29
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://bigtenopenbooks.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (4)

Linked from (1)