knopfdoubleday.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2825 ms crawled 2026-05-19

US · 23.185.0.1 · AS54113 Fastly, Inc.

Classifying

HTML metadata

Title: Home - Knopf Doubleday
Description: The Knopf Doubleday Publishing Group is a storied leader in commercial and literary publishing and home to some of the most iconic authors in the world, including Nobel Laureates Toni Morrison, Kazuo Ishiguro, and Alice Munro; Prize-winners Robert Caro, Joan Didion, Yaa Gyasi, Jhumpa Lahiri, Cormac McCarthy, Michael Ondaatje, Tommy Orange, Patti Smith, Anne Tyler, and Colson Whitehead; and global bestsellers Dan Brown, John Grisham, Erin Morgenstern, and Jo Nesbo.
Language: en-US
Generator: WordPress 6.9.4
Canonical: https://knopfdoubleday.com/

url: https://knopfdoubleday.com/
title: Home - Knopf Doubleday
locale: en_US
site name: Knopf Doubleday
description: The Knopf Doubleday Publishing Group is a storied leader in commercial and literary publishing and home to some of the most iconic authors in the world, including Nobel Laureates Toni Morrison, Kazuo Ishiguro, and Alice Munro; Prize-winners Robert Caro, Joan Didion, Yaa Gyasi, Jhumpa Lahiri, Cormac McCarthy, Michael Ondaatje, Tommy Orange, Patti Smith, Anne Tyler, and Colson Whitehead; and global bestsellers Dan Brown, John Grisham, Erin Morgenstern, and Jo Nesbo.

Registrar

CSC Corporate Domains, Inc.

Created

2008-12-08

Expires

2026-12-08 201 days left

Updated

2024-12-04

Name servers

NS

MX

SPF: not published
DMARC: v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email
policy: none (monitoring only)
DKIM: no key found at common selectors

R13

from 2026-04-16 to 2026-07-15

Expires in 56 days

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

present

findings

Header values

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x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
strict-transport-security: max-age=63072000; includeSubDomains; preload, max-age=31622400