danluu.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2961 ms crawled 2026-05-19

US · 172.67.197.156 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (1)

static.cloudflareinsights.com×1

Social

Registration

Registrar

Gandi SAS

Created

2012-01-02

Expires

2027-01-02 227 days left

Updated

2025-11-22

Name servers

barbara.ns.cloudflare.com
brett.ns.cloudflare.com

DNS records live

NS

barbara.ns.cloudflare.com
brett.ns.cloudflare.com

MX

10 spool.mail.gandi.net
50 fb.mail.gandi.net

TXT

google-site-verification=XpYzEf8GX1c5nBy4sjwZcAGBGhUXY1m1K3ZsHHo9V9Y

Email authentication strong

SPF: v=spf1 -all
strict (-all)
DMARC: v=DMARC1; p=reject; rua=mailto:c470c783f7d3446cbf1489221bd589d3@dmarc-reports.cloudflare.net
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-03 to 2026-07-02

Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://danluu.com/

present

cross-origin-opener-policy
cross-origin-embedder-policy

findings

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

Header values

cross-origin-opener-policy: same-origin
cross-origin-embedder-policy: require-corp