indexo.dev

hdmaster.com

.com crawl

First seen 2026-05-05 · Last seen 2026-05-12 · ok HTTP/1.1 200 3361 ms crawled 2026-05-12

US · 45.56.77.64 · AS63949 Akamai Connected Cloud

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
D&S - Headmaster - Home Page
Description
CNA Testing Solutions, Nurse Aide Practice exams ,Electronic Testing, School Software, Hardware, Computer Sales and Service,Web Data Hosting

Technology

Server
Apache

Contact

Email

Registration

Registrar
Network Solutions, LLC
Created
1997-12-15
Expires
2028-12-14 939 days left
Updated
2025-10-15
Name servers
  • ns55.worldnic.com
  • ns56.worldnic.com

DNS records live

NS
  • ns55.worldnic.com
  • ns56.worldnic.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 mx include:_spf.google.com ip4:206.127.112.196/32 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-17 to 2026-07-16
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)