indexo.dev

nclark.net

.net crawl

First seen 2026-04-12 · Last seen 2026-05-06 · ok HTTP/1.1 200 541 ms crawled 2026-05-06

US · 104.21.46.5 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Awesome Science Teacher Resources - Science Classroom Teacher Resources
Language
en-us
Generator
WordPress 5.6.17
Canonical
https://www.nclark.net/
Feeds

Open Graph

url
https://www.nclark.net/
title
Awesome Science Teacher Resources - Science Classroom Teacher Resources
locale
en_US
site name
Science Classroom Teacher Resources
description
This site is designed to provide high school and middle school science teachers access to the materials and resources that I have collected during my 37 years of teaching in the field. Some of the materials are of my own design, but many are those I have borrowed from others and refined for my own ... Read more

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • gmpg.org×1
  • privacy.gatekeeperconsent.com×1
  • s.w.org×1
  • the.gatekeeperconsent.com×1
  • www.googletagmanager.com×1

Registration

Registrar
NameCheap, Inc.
Created
2003-01-10
Expires
2027-01-10 236 days left
Updated
2025-12-11
Name servers
  • elsa.ns.cloudflare.com
  • fattouche.ns.cloudflare.com

DNS records live

NS
  • elsa.ns.cloudflare.com
  • fattouche.ns.cloudflare.com
MX
  • 10 mx-biz.mail.am0.yahoodns.net
TXT
  • google-site-verification=9PslI_NRYlgQXcyPXeQqK53k0vQ4wyAgVa2viyAWMtQ

Email authentication partial

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

Certificate (current)

WE1
from 2026-04-14 to 2026-07-13
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.nclark.net/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
block-all-mixed-content;
strict-transport-security
max-age=31536000; includeSubdomains;

Links to (2)

Linked from (1)