jasc-japan.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-19 · ok HTTP/1.1 200 4163 ms crawled 2026-05-15

JP · 202.172.28.183 · AS37907 DigiRock, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: アメリカ大統領歴代ランキング（米国学者の歴史的評価）
Description: アメリカ大統領の歴代ランキングです。米国学者の投票による歴史的評価（スナップアップ投資顧問）。１位リンカーン、２位ワシントン、ルーズベルト。
Language: ja

Technology

Server: Apache

Analytics

Google Tag Manager

Social widgets

Twitter Widget

Third-party hosts loaded (5)

www.politica.jp×5
ajax.googleapis.com×1
platform.twitter.com×1
www.facebook.com×1
www.googletagmanager.com×1

Registration

Registrar

Key-Systems GmbH

Created

2015-01-23

Expires

2027-01-23 248 days left

Updated

2025-12-24

Name servers

ns1.value-domain.com
ns2.value-domain.com
ns3.value-domain.com
ns4.value-domain.com
ns5.value-domain.com

DNS records live

NS

ns1.value-domain.com
ns2.value-domain.com

MX

10 jasc-japan.com

Email authentication weak

SPF: v=spf1 ip4:202.172.28.183 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-23 to 2026-07-22

Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://jasc-japan.com/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31536000