indexo.dev

work-master.net

.net crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 4546 ms crawled 2026-05-17

US · 18.165.140.34 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
WorkMaster - サイト閉鎖のお知らせ
Language
ja

Technology

CDN
Amazon CloudFront
Server
AmazonS3

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2010-02-05
Expires
2027-02-05 260 days left
Updated
2026-01-20
Name servers
  • ns-1453.awsdns-53.org
  • ns-1984.awsdns-56.co.uk
  • ns-257.awsdns-32.com
  • ns-859.awsdns-43.net

DNS records

Email authentication weak

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

Certificate (current)

Amazon RSA 2048 M04
from 2025-11-26 to 2026-12-26
Expires in 219 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://work-master.net/

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

Linked from (1)