danielmiessler.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 375 ms crawled 2026-05-18

US · 104.26.6.104 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Home | Daniel Miessler
Description: SECURITY | AI | PURPOSE :: Building AI that upgrades humans. Cybersecurity and AI engineer, founder, writer, and creator based in San Francisco.
Language: en-US
Generator: VitePress v1.6.4
Canonical: https://danielmiessler.com/index

Open Graph

title: Daniel Miessler
description: SECURITY | AI | PURPOSE :: Building AI that upgrades humans. Cybersecurity and AI engineer, founder, writer, and creator based in San Francisco.

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (1)

static.cloudflareinsights.com×1

Social

Registration

Registrar

Cloudflare, Inc.

Created

2009-06-14

Expires

2027-06-14 390 days left

Updated

2026-05-15

Name servers

elaine.ns.cloudflare.com
gordon.ns.cloudflare.com

DNS records live

NS

elaine.ns.cloudflare.com
gordon.ns.cloudflare.com

MX

10 alt1.aspmx.l.google.com
10 alt2.aspmx.l.google.com
5 aspmx.l.google.com

TXT

Show 6 TXT records

google-site-verification=BspBGE5O1rm3sSCVuQZY3JX84K2nxwzO1RzLkT19spU
google-site-verification=XrFl6M30Rcqbnb4_X0kTbnFlzWSRaL_cYa96rQ90qP8
google-site-verification=e3YpYRgdD77lt52KRNo7z-5L4bhjVR9kMAvBxvrWOOY
openai-domain-verification=dv-yppanNM4JAFIpzZCFfcHJfBf
ZOOM_verify_OzocQxlSOyE4UgnfK1HhMh
ahrefs-site-verification_d425ca2076652ab9284b49fe2f8f7107a68225deac3da1d6aa4dc9e6e6e04c01

Email authentication strong

SPF

v=spf1 include:_spf.google.com include:beehiiv.com include:send.resend.dev ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:698513915b4d4f58a5164ad85e8a0af7@dmarc-reports.cloudflare.net,mailto:daniel@danielmiessler.com

policy: reject (enforced)

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCDFSBbbj3E8S/2qQCW3PI81pC/X9IsZHGfFjh4icX58+z+3ndMdFlLQjnIPH9arFBkB/HO6/vk5MJn+hjINI…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

WE1

from 2026-05-18 to 2026-08-16

Expires in 89 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

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

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=15552000; includeSubDomains; preload