kikokugo.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 1827 ms crawled 2026-05-06

US · 35.160.167.10 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: 帰国GO.com - 留学生の就職サポーター - 留学を生かした就職を！
Description: 留学生、留学経験者、外国人留学生の日本での就職活動をサポート。無料就職カウンセリング、エントリーシート添削、模擬面接など内定までフルサポートします。コンサルティング企業、外資系企業などグローバル企業多数掲載中。kikokugo.com

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (3)

ajax.googleapis.com×1
seal.godaddy.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Japan Registry Services Co., Ltd.

Created

2005-09-10

Expires

2026-09-10 112 days left

Updated

2025-07-22

Name servers

ns1.dns.ne.jp
ns2.dns.ne.jp

DNS records live

NS

ns1.dns.ne.jp
ns2.dns.ne.jp

MX

10 sakuraip.kikokugo.com
20 mail.kikokugo.com

TXT

eCKBSDj
DZC=eCKBSDj

Verified for

Google

Email authentication strong

SPF: v=spf1 a:www2126.sakura.ne.jp mx include:_spf.smtp.com include:retailSPF.smtp.com include:spf.bmv.jp ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine; aspf=r; adkim=r
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2025-07-21 to 2026-08-22

Expires in 93 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://kikokugo.com/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000