indexo.dev

the-crypto-syllabus.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 1524 ms crawled 2026-05-10

DE · 64.225.107.225 · AS14061 DigitalOcean, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
The Crypto Syllabus
Description
Decrypting the Crypto Puzzle
Language
en
Generator
Ghost 4.48
Canonical
https://the-crypto-syllabus.com/
Feeds

Open Graph

url
https://the-crypto-syllabus.com/
title
The Crypto Syllabus
site name
The Crypto Syllabus
description
Decrypting the Crypto Puzzle

Technology

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

Third-party hosts loaded (4)

  • fonts.googleapis.com×3
  • fonts.gstatic.com×1
  • unpkg.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2021-12-05
Expires
2026-12-05 198 days left
Updated
2025-11-19
Name servers
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com

DNS records live

NS
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com
MX
  • 0 thecryptosyllabus-com0i1e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:secureserver.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-24 to 2026-06-22
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://the-crypto-syllabus.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (4)

Linked from (1)