indexo.dev

acid-base.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 856 ms crawled 2026-05-06

US · 34.69.81.203 · AS396982 Google LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Acid Base Tutorial
Description
Acid-base balance for all levels with interactive pages for pH, Henderson Equation, Sea-Level Diagram and High-Altitude Diagram.
Language
en-US
Generator
Powered by WPBakery Page Builder - drag and drop page builder for WordPress.
Canonical
https://acid-base.com/
Feeds

Open Graph

url
https://acid-base.com/
title
Home - Acid Base Tutorial
locale
en_US
site name
Acid Base Tutorial
description
Acid-base balance for all levels with interactive pages for pH, Henderson Equation, Sea-Level Diagram and High-Altitude Diagram.

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • kit.fontawesome.com×1
  • www.googletagmanager.com×1

Registration

Registrar
Squarespace Domains II LLC
Created
2001-08-07
Expires
2026-08-07 79 days left
Updated
2025-07-23
Name servers
  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-cloud-d3.googledomains.com
  • ns-cloud-d4.googledomains.com

DNS records live

NS
  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-cloud-d3.googledomains.com
  • ns-cloud-d4.googledomains.com
MX
  • 0 acid-base.com

Email authentication partial

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-01 to 2026-06-30
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://acid-base.com/

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

Links to (6)

Linked from (3)