letronc-m.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 860 ms crawled 2026-05-07

US · 3.164.206.85 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
LeTRONC サービス終了のお知らせ
Language
ja

Technology

CDN
Amazon CloudFront
Server
AmazonS3

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2016-04-19
Expires
2027-04-19 332 days left
Updated
2026-04-03
Name servers
  • ns-1316.awsdns-36.org
  • ns-1856.awsdns-40.co.uk
  • ns-209.awsdns-26.com
  • ns-916.awsdns-50.net

DNS records live

NS
  • ns-1316.awsdns-36.org
  • ns-1856.awsdns-40.co.uk
  • ns-209.awsdns-26.com
  • ns-916.awsdns-50.net
MX
  • 10 mail-server.s.com

Email authentication partial

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01
from 2026-02-17 to 2027-03-19
Expires in 301 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://letronc-m.com/

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

Linked from (2)