indexo.dev

penguinrandomhouse.biz

.biz crawl

First seen 2026-05-14 · Last seen 2026-05-19 · ok HTTP/1.1 200 6834 ms crawled 2026-05-19

US · 170.171.208.64 · AS11790 Random House, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
penguinrandomhouse.biz

Technology

CMS
Gatsby

Third-party hosts loaded (2)

  • secure.quantserve.com×2
  • code.randomhouse.com×1

Registration

Registrar
CSC Corporate Domains, Inc.
Created
2012-10-25
Expires
2027-10-24 522 days left
Updated
2025-10-25
Name servers
  • ns-1747.awsdns-26.co.uk
  • ns-1160.awsdns-17.org
  • 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)

Sectigo Public Server Authentication CA DV R36
from 2026-01-29 to 2027-01-30
Expires in 255 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.penguinrandomhouse.biz/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; includeSubdomains

Links to (10)

Linked from (1)