indexo.dev

letsboot-japan.com

.com crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 768 ms crawled 2026-05-30

US · 100.24.208.97 · AS14618 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Letsboot JP - hands on Training for Software and System Engineers in Japan
Language
en
Canonical
https://www.letsboot-japan.com/
Translations
  • en
  • ja

Open Graph

url
https://www.letsboot-japan.com/
title
Letsboot JP - hands on Training for Software and System Engineers in Japan

Technology

Server
nginx
jQuery
3.7.0

Third-party hosts loaded (5)

  • irp.cdn-website.com×8
  • static.cdn-website.com×4
  • dd-cdn.multiscreensite.com×2
  • lirp.cdn-website.com×1
  • www.paypal.com×1

Social

Contact

Email

Registration

Registrar
Infomaniak Network SA
Created
2025-03-05
Expires
2027-03-05 277 days left
Updated
2026-02-20
Name servers
  • ns11.infomaniak.ch
  • ns12.infomaniak.ch

DNS records live

NS
  • ns11.infomaniak.ch
  • ns12.infomaniak.ch
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-23 to 2026-06-21
Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.letsboot-japan.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; preload

Links to (2)

Linked from (1)