indexo.dev

chemistryexplained.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 6500 ms crawled 2026-05-11

US · 23.227.169.78 · AS29802 HIVELOCITY, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Chemistry Explained
Description
Chemistry Explained: A-Ar, Ar-Bo, Bo-Ce, Ce-Co, Co-Di, Di-Fa, Fe-Ge, Ge-Hy, Hy-Kr, Kr-Ma, Ma-Na, Ne-Nu, Ny-Pi, Pl-Pr, Pr-Ro, Ru-Sp, St-Te, Te-Va, and Va-Z
Language
en

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • a.advameg.com×1
  • www.googletagmanager.com×1

Registration

Registrar
NameCheap, Inc.
Created
2006-03-09
Expires
2028-03-09 660 days left
Updated
2026-02-26
Name servers
  • ns11.dnsmadeeasy.com
  • ns12.dnsmadeeasy.com

DNS records live

NS
  • ns10.dnsmadeeasy.com
  • ns11.dnsmadeeasy.com
  • ns12.dnsmadeeasy.com
  • ns13.dnsmadeeasy.com
  • ns14.dnsmadeeasy.com
  • ns15.dnsmadeeasy.com
MX
  • 10 mail.advameg.com
TXT
  • google-site-verification=MPxWXZn6d0BtFTAMnMbPhqCNljFzb5ESR4PbQFJqCCA

Email authentication weak

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

Certificate (current)

R12
from 2026-03-24 to 2026-06-22
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.chemistryexplained.com/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)