indexo.dev

henryzoo.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 338 ms crawled 2026-05-18

US · 104.21.40.213 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Henry's Zoo
Description
Henry Zhu. Thinking through and building tools that work with us, not for us.
Language
en
Canonical
https://henryzoo.com/

Open Graph

url
https://henryzoo.com/
title
Henry's Zoo
site name
Henry's Zoo
description
Henry Zhu. Thinking through and building tools that work with us, not for us.

Technology

CDN
Cloudflare

Social

Registration

Registrar
Cloudflare, Inc.
Created
2013-12-11
Expires
2026-12-11 206 days left
Updated
2025-11-11
Name servers
  • nick.ns.cloudflare.com
  • rose.ns.cloudflare.com

DNS records live

NS
  • nick.ns.cloudflare.com
  • rose.ns.cloudflare.com
MX
  • 33 route3.mx.cloudflare.net
  • 38 route2.mx.cloudflare.net
  • 51 route1.mx.cloudflare.net
TXT
  • google-site-verification=Y4rrc-GhKFGrEqOmnK0i3RnpYyz7XSJFKHV5iPD2C1g

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-20 to 2026-07-19
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://henryzoo.com/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (9)

Linked from (2)