indexo.dev

cmtext.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-10 · ok HTTP/1.1 200 459 ms crawled 2026-05-07

DE · 92.113.16.149 · AS47583 Hostinger International Limited

Reputation 100/100

sector education type homepage

HTML metadata

Title
Introduction to Computer Music
Description
The Introduction to Computer Music is designed as an online text for first-year study of computer and electronic music. This e-book aspires to present information in sufficient depth to be useful to composers, beginning audio engineers and other musicians, professional or otherwise, interested in making music with technology.
Language
en

Technology

Server
hcdn
Analytics
  • Google Tag Manager
Fonts
  • Font Awesome

Third-party hosts loaded (6)

  • assets.iu.edu×2
  • stackpath.bootstrapcdn.com×2
  • cdn.jsdelivr.net×1
  • code.jquery.com×1
  • use.fontawesome.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
HOSTINGER operations, UAB
Created
2025-07-02
Expires
2026-07-02 44 days left
Updated
2025-07-02
Name servers
  • ns1.dns-parking.com
  • ns2.dns-parking.com

DNS records live

NS
  • ns1.dns-parking.com
  • ns2.dns-parking.com
TXT
  • google-site-verification=rrGs9DxfId4D-b9-XddU43_gtiPl1BnesEEahcS7Gdo

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-30 to 2026-07-29
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests

Links to (2)

Linked from (2)