Mersenne.co.jp メルセンヌ|年収アップを目指せる転職エージェント

メルセンヌは年収アップを目指せる転職エージェントです。LINEで簡単にやりとりができるため、スキマ時間で転職活動をサポート。もちろん、履歴書作成や面接対策もいたします。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.33 sec.
Last Checked: 11/01/2026

Mersenne.co.jp attracts 1,669 unique visitors daily, generating 3,338 pageviews. The estimated value of mersenne.co.jp is 2,568 USD. Each visitor views approximately 2.14 pages on average.

Mersenne.co.jp is hosted by ORACLE-BMC-31898 - Oracle Corporation, US. Check out other websites hosted by ORACLE-BMC-31898 - Oracle Corporation, US.

See the list of other websites hosted by ORACLE-BMC-31898 - Oracle Corporation, US.

Mersenne.co.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.

The last inspection on (October 23, 2026), confirms that mersenne.co.jp holds a valid and current SSL certificate issued by Nijimo, Inc. expiring on April 04, 2027. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Nijimo, Inc..

Overview
Last Updated: 11/01/2026
Unknown status.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 11/01/2026
Not yet checked.
Norton ConnectSafe evaluates mersenne.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/01/2026
Not yet checked.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 11/01/2026
Site Advisor
Last Updated: 11/01/2026
Not yet checked.
McAfee assesses mersenne.co.jp for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze mersenne.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 11/01/2026
mersenne.co.jp child safety is unknown.
The WOT calculates reputation of the mersenne.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the mersenne.co.jp for safety features and confirms, whether mersenne.co.jp is suitable for children.

Mersenne.co.jp | SSL Certificate Information
Domainwww.mersenne.co.jp
Issuer OrganizationNijimo, Inc.
IssuerFujiSSL RSA Domain Validation Secure Server CA 2
AlgorithmRSA-SHA256
Valid form09/18/2026
Expiration04/04/2027
SignedCertificate is not self signed
Additional Domains www.mersenne.co.jp
mersenne.co.jp
Server Location

Mersenne.co.jp ASN Information

ASN ID: 31898
ASN Title: ORACLE-BMC-31898 - Oracle Corporation, US

Last Update: 10/23/2026

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 31898
ASName: ORACLE-BMC-31898
ASHandle: AS31898
RegDate: 2011-03-21
Updated: 2017-05-18
Ref: https://rdap.arin.net/registry/autnum/31898

OrgName: Oracle Corporation
OrgId: ORACLE-4
Address: 500 Oracle Parkway
Address: Attn: Domain Administrator
City: Redwood Shores
StateProv: CA
PostalCode: 94065
Country: US
RegDate: 1988-04-28
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/ORACLE-4

OrgTechHandle: ORACL1-ARIN
OrgTechName: ORACLE NIS
OrgTechPhone: +1-650-506-2220
OrgTechEmail: domain-contact_ww_grp@oracle.com
OrgTechRef: https://rdap.arin.net/registry/entity/ORACL1-ARIN

OrgAbuseHandle: NISAM-ARIN
OrgAbuseName: Network Information Systems Abuse Management
OrgAbusePhone: +1-650-506-2220
OrgAbuseEmail: network-contact_ww_grp@oracle.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NISAM-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information: [ドメイン情報]
a. [ドメイン名] MERSENNE.CO.JP
e. [そしきめい] かぶしきがいしゃめるせんぬ
f. [組織名] 株式会社メルセンヌ
g. [Organization] mersenne
k. [組織種別] 株式会社
l. [Organization Type] corporation
m. [登録担当者] JS26034JP
n. [技術連絡担当者] JS26035JP
p. [ネームサーバ] ns0.kagoya.net
p. [ネームサーバ] ns1.kagoya.net
s. [署名鍵]
[状態] Connected (2027/06/30)
[登録年月日] 2024/06/24
[接続年月日] 2024/06/24
[最終更新] 2026/07/01 01:08:52 (JST)


DNS Records
HostA RecordTTL
mersenne.co.jp138.3.212.67600
HostMX RecordPriorityTTL
mersenne.co.jpdmail.kagoya.net10600
HostNS RecordTTL
mersenne.co.jpns1.kagoya.net600
mersenne.co.jpns0.kagoya.net600
HostTXT RecordTTL
mersenne.co.jp202408151907030D97F61CD4890354BA2A98ACEFC9F0F3E7B7B76C463926FC3B4650A39B913BFD600
mersenne.co.jpv=spf1 a:ag04.kagoya.net a:mss599.kagoya.net ~all600

ns.kagoya.net
TTL: 600
Email address: root.kagoya.net
Serial: 2026090001
Refresh: 4200
Retry: 300
Expire: 3600000
Minimum: 600

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