schneier.com

.com toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 749 ms crawled 2026-05-18

US · 199.16.173.239 · AS2635 Automattic, Inc

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Schneier on Security -

Language

en-US

Canonical

https://www.schneier.com/

Feeds

Open Graph

url: https://www.schneier.com/
title: Schneier on Security
locale: en_US
site name: Schneier on Security

Technology

Server: nginx
CMS: WordPress

Third-party hosts loaded (3)

c0.wp.com×9
stats.wp.com×4
cdnjs.cloudflare.com×1

Social

Registration

Registrar

Network Solutions, LLC

Created

1999-05-22

Expires

2029-05-22 1099 days left

Updated

2023-07-10

Name servers

ns79.worldnic.com
ns80.worldnic.com

DNS records live

NS

ns79.worldnic.com
ns80.worldnic.com

MX

10 mx1.emailsrvr.com
20 mx2.emailsrvr.com

Email authentication partial

SPF

v=spf1 a include:emailsrvr.com include:servers.mcsv.net ip4:204.11.247.92 ip4:204.11.247.93 ?include:netblocks.dreamhost.com ?include:spf.modwest.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; ruf=mailto:dmarc24@schneier.com;fo=0

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

WR1

from 2026-04-15 to 2026-07-14

Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.schneier.com/

present

strict-transport-security
permissions-policy

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy

Header values

permissions-policy: private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
strict-transport-security: max-age=31536000