indexo.dev

flatworld.com

.com crawl

First seen 2026-05-19 · Last seen 2026-05-30 · ok HTTP/1.1 200 585 ms crawled 2026-05-27

US · 96.30.193.29 · AS20473 The Constant Company, LLC

Reputation 100/100

Classifying

HTML metadata

Title
Home Page - FlatWorld
Description
High-Quality College Textbooks at a Price Your Students Can Afford. This is why we’re Higher Ed’s fastest growing textbook publisher.
Language
en-US
Generator
WordPress 7.0
Canonical
https://flatworld.com/
Feeds

Open Graph

url
https://flatworld.com/
title
Home Page - FlatWorld
video
https://flatworld.com/wp-content/uploads/2024/07/Customize-eReader-V3.mp4
locale
en_US
site name
FlatWorld
description
High-Quality College Textbooks at a Price Your Students Can Afford. This is why we’re Higher Ed’s fastest growing textbook publisher.
updated time
2026-05-18T22:17:24+00:00

Technology

Server
nginx
CMS
WordPress 7.0
jQuery
3.7.1
Cookie consent
  • Termly
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×4
  • js.hsforms.net×2
  • app.termly.io×1
  • gmpg.org×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2001-06-14
Expires
2027-05-02 335 days left
Updated
2024-05-02
Name servers
  • ns-1298.awsdns-34.org
  • ns-1855.awsdns-39.co.uk
  • ns-247.awsdns-30.com
  • ns-895.awsdns-47.net

DNS records live

NS
  • ns-1298.awsdns-34.org
  • ns-1855.awsdns-39.co.uk
  • ns-247.awsdns-30.com
  • ns-895.awsdns-47.net
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 aspmx2.googlemail.com
  • 50 aspmx3.googlemail.com
TXT
  • sending_domain427462=a2351e24e75ea716e7cba07d959f72afe312384438cbee7cbee7c02ba964e3ec
Verified for
  • Google
  • Meta

Email authentication strong

SPF
v=spf1 include:123456.spf03.hubspotemail.net include:sendgrid.net include:_spf.google.com include:spf.metacomet.com include:_spf.salesforce.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@flatworldknowledge.com
policy: quarantine
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFW30AjOn5yFxAFWzp60wS/Cc+jsUyH8VXwjP6CHZXyA5tFfWOb8wp3zzhN3jPpovLgEE/BCcDmulRrDTBNU…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsUM6qNhmCVAIZpXWVdvoicBcAweDMGq8d+GsjOgIEH1MTg0C91jkCh06JzMLW4WVGq76ZSA5zTxMF+2iFu…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKS/9SjUV+YMP/Zla6b4z/rjxMwqHZS1woNXZO0c0suf5yY/z0qRrTiGvgRsrccz22f4ocv/N/DqA7H2YdN6iBRV…
selectors probed

Certificate (current)

E8
from 2026-05-04 to 2026-08-02
Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://flatworld.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
Header values
referrer-policy
origin-when-cross-origin
x-frame-options
sameorigin
permissions-policy
accelerometer=(self), autoplay=(self), camera=(self), encrypted-media=(self), fullscreen=(self), geolocation=(self), gyroscope=(self), magnetometer=(self), microphone=(self), midi=(self), payment=(self), usb=(self)
x-content-type-options
nosniff
strict-transport-security
max-age=2592000

Links to (4)

Linked from (1)