penguinrandomhousehighereducation.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2948 ms crawled 2026-05-18

US · 23.185.0.3 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Penguin Random House Higher Education
Language: en
Canonical: https://penguinrandomhousehighereducation.com/

Open Graph

url: https://penguinrandomhousehighereducation.com/
title: Homepage - Penguin Random House Higher Education
locale: en_US
site name: Penguin Random House Higher Education

Technology

Server: nginx
CMS: WordPress

Third-party hosts loaded (1)

images.penguinrandomhouse.com×84

Social

Registration

Registrar

CSC Corporate Domains, Inc.

Created

2017-10-13

Expires

2027-10-13 510 days left

Updated

2025-10-09

Name servers

ns-1160.awsdns-17.org
ns-1747.awsdns-26.co.uk
ns-24.awsdns-03.com
ns-642.awsdns-16.net

DNS records live

NS

ns-1160.awsdns-17.org
ns-1747.awsdns-26.co.uk
ns-24.awsdns-03.com
ns-642.awsdns-16.net

MX

10 us-smtp-inbound-1.mimecast.com
10 us-smtp-inbound-2.mimecast.com

Email authentication weak

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

Certificate (current)

R13

from 2026-05-04 to 2026-08-02

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://penguinrandomhousehighereducation.com/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
strict-transport-security: max-age=31622400; includeSubDomains; preload