indexo.dev

csteachingtips.org

.org crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1101 ms crawled 2026-05-31

US · 34.238.11.122 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Computer Science Teaching Tips | Computer Science Teaching Tips
Language
en
Generator
Drupal 11 (https://www.drupal.org)
Canonical
https://www.csteachingtips.org/

Technology

CMS
Drupal

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×1
  • static.addtoany.com×1

Contact

Email

Registration

Registrar
Bluehost Inc.
Created
2014-06-16
Expires
2030-06-16 1475 days left
Updated
2025-07-31
Name servers
  • hadlee.ns.cloudflare.com
  • nikon.ns.cloudflare.com

DNS records live

NS
  • hadlee.ns.cloudflare.com
  • nikon.ns.cloudflare.com
MX
  • 10 mx1.improvmx.com
  • 20 mx2.improvmx.com

Email authentication weak

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

Certificate (current)

E8
from 2026-04-24 to 2026-07-23
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.csteachingtips.org/

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

Links to (3)

Linked from (1)