prog-8.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 4312 ms crawled 2026-05-11

US · 18.165.122.77 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Progate | プログラミングの入門なら基礎から学べるProgate[プロゲート]
Description: Progateは未経験でも独学でも安心して学べるオンラインプログラミング学習サービスです。入門から実務レベルまで、ビジネス職やエンジニア職にも役立つAI時代に必要なスキルを身につけることができます。
Language: ja

Open Graph

url: https://prog-8.com/
title: Progate(プロゲート) | Learn to code, learn to be creative.
locale: ja_JP
site name: Progate
description: Progateは未経験でも独学でも安心して学べるオンラインプログラミング学習サービスです。入門から実務レベルまで、ビジネス職やエンジニア職にも役立つAI時代に必要なスキルを身につけることができます。
locale:alternative: en_US

Technology

CDN: Amazon CloudFront

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

ddb6ltykpq547.cloudfront.net×15
fonts.googleapis.com×2
maxcdn.bootstrapcdn.com×1
s.yimg.jp×1
www.googletagmanager.com×1

Social

Registration

Registrar

Gandi SAS

Created

2014-06-23

Expires

2026-06-23 35 days left

Updated

2025-05-19

Name servers

ns-1285.awsdns-32.org
ns-1648.awsdns-14.co.uk
ns-417.awsdns-52.com
ns-649.awsdns-17.net

DNS records live

NS

ns-1285.awsdns-32.org
ns-1648.awsdns-14.co.uk
ns-417.awsdns-52.com
ns-649.awsdns-17.net

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

TXT

Show 7 TXT records

anthropic-domain-verification-j9ejch=MTEYJu06bkqYt4qmcEhPYjl2C
google-site-verification=-r09XtL-TEuQNpeNkefHgMB-byevf_S9H23R-FRHmKk
google-site-verification=5C4maRDd7xd8jkbm_lgi62j7NVPVhRq7_Caluux0Ej8
notion-domain-verification=6yHkjhXUqB31k0L8oaq1JzdGHfIhnavGQ9a81UZFGqu
stripe-verification=47bdbf7aaab022ac804511012450c402aa1d5d131d30c58d9c16f2e97166f2ba
stripe-verification=673e5cc83b2eb8b46ec57af715b36ef9c007ec490164cf797d4cfd2b1152d2ec
stripe-verification=cf235fd9e4c40aa26b2e0f58e2b2801b877b916f75748410b7a273fc5cd40544

Email authentication partial

SPF

v=spf1 include:_spf.mlsend.com include:servers.mcsv.net include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc-reports@prog-8.com; ruf=mailto:dmarc-reports@prog-8.com

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw4zQkmZ3tTRS69lDRtg3FdIM4QwGM1it1uRqq5Hy2rvN5o9R4CUcLkgKD38VHhzr6OYChEYOdNg2Kqvync…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC26dNjORVi/59KHLuAK3bEN9pwfdgfvFhabVr2XLcYKboTgCiG1nAuWaXlAFLZIm+vtPjRXu33Ot/5ddmEW0PVPo…

selectors probed

Certificate (current)

Amazon RSA 2048 M01

from 2026-01-09 to 2027-02-07

Expires in 264 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://prog-8.com/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff

Links to (4)

Linked from (1)

damegamer.com×2