indexo.dev

htmldog.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 747 ms crawled 2026-05-19

US · 149.28.33.42 · AS20473 The Constant Company, LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
HTML, CSS, and JavaScript Tutorials, References, and Articles | HTML Dog
Language
en

Technology

Server
nginx
Ads
  • Google AdSense
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • pagead2.googlesyndication.com×2
  • fonts.googleapis.com×1
  • s3.buysellads.com×1

Registration

Registrar
Squarespace Domains II LLC
Created
2003-09-18
Expires
2026-09-18 120 days left
Updated
2025-09-03
Name servers
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e4.googledomains.com

DNS records live

NS
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e4.googledomains.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org

Email authentication weak

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-04 to 2026-07-03
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (2)