indexo.dev

haolingsheng.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 2379 ms crawled 2026-05-10

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Haolingsheng ｜ Free Sheet Music For Beginners
Description
Free sheet music, piano scores, guitar tabs, and music theory tutorials. Download printable music sheets for all skill levels.
Language
en
Canonical
https://www.haolingsheng.com/

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×1

Registration

Registrar
Spaceship, Inc.
Created
2013-01-31
Expires
2027-01-31 255 days left
Updated
2026-01-22
Name servers
  • launch1.spaceship.net
  • launch2.spaceship.net

DNS records live

NS
  • launch1.spaceship.net
  • launch2.spaceship.net
MX
  • 0 mx1.efwd.spaceship.net
  • 0 mx2.efwd.spaceship.net
Verified for
  • Google

Email authentication weak

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

Certificate (current)

R12
from 2026-03-25 to 2026-06-23
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.haolingsheng.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (5)

Linked from (1)