Kotobaken.jp ことば研究館

国立国語研究所(NINJAL)が運営するサイトです。ことばに関する読み物、Q&A、動画、イベント情報などを、楽しくわかりやすく発信しています。 日本語の表記や文法、使い分け、方言、歴史、変化、発音、日本語と外国語との比較、さらにはネットや街で見かけることばなど、お役立ち情報から奥深い知識までさまざま...

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 11/02/2026

Kotobaken.jp attracts 1,642 unique visitors daily, generating 3,285 pageviews. The estimated value of kotobaken.jp is 2,568 USD. Each visitor views approximately 2.14 pages on average.

Kotobaken.jp is hosted by AUTOMATTIC - Automattic, Inc, US. Check out other websites hosted by AUTOMATTIC - Automattic, Inc, US.

See the list of other websites hosted by AUTOMATTIC - Automattic, Inc, US.

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

A recent examination on (June 03, 2023), indicates that kotobaken.jp has an expired SSL certificate issued by Let's Encrypt (expired on August 16, 2023). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing and Symantec kotobaken.jp appears to be a safe domain.

Based on Google's Mobile-Friendly test, kotobaken.jp is not well optimized for mobile and tablet devices. Ensuring your site is mobile-friendly guarantees better performance across all devices, and improving the web page loading time could further enhance user experience.

Overview
Last Updated: 11/02/2026
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: 06/28/2026
kotobaken.jp is safe.
Norton ConnectSafe evaluates kotobaken.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/02/2026
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: 01/12/2019
kotobaken.jp is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 07/06/2020
kotobaken.jp is safe.
McAfee assesses kotobaken.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 kotobaken.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 11/02/2026
kotobaken.jp child safety is unknown.
The WOT calculates reputation of the kotobaken.jp. This reputation system receives ratings from users and information from third-party sources, assesses the kotobaken.jp for safety features and confirms, whether kotobaken.jp is suitable for children.

Kotobaken.jp | SSL Certificate Information
Domaintls.automattic.com
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form05/18/2023
Expiration08/16/2023
SignedCertificate is not self signed
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Server Location

Kotobaken.jp ASN Information

ASN ID: 2635
ASN Title: AUTOMATTIC - Automattic, Inc, US

Last Update: 02/09/2026

#
# 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: 2635
ASName: AUTOMATTIC
ASHandle: AS2635
RegDate: 2012-10-01
Updated: 2012-10-01
Ref: https://rdap.arin.net/registry/autnum/2635

OrgName: Automattic, Inc
OrgId: AUTOM-93
Address: 60 29th Street #343
City: San Francisco
StateProv: CA
PostalCode: 94110
Country: US
RegDate: 2011-10-05
Updated: 2018-06-04
Ref: https://rdap.arin.net/registry/entity/AUTOM-93

OrgNOCHandle: NOC12276-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-877-273-8550
OrgNOCEmail: ipadmin@automattic.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC12276-ARIN

OrgTechHandle: NOC12276-ARIN
OrgTechName: NOC
OrgTechPhone: +1-877-273-8550
OrgTechEmail: ipadmin@automattic.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC12276-ARIN

OrgAbuseHandle: ABUSE3970-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-877-273-8550
OrgAbuseEmail: abuse@automattic.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3970-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]
[Domain Name] KOTOBAKEN.JP

[登録者名] (登録者からの申請により非表示)
詳細は→https://jprs.jp/about/dom-rule/whois-concealment/
[Registrant] (Not displayed by registrant's request)
For details -> https://jprs.jp/about/dom-rule/whois-concealment/ (only in Japanese)

[Name Server] ns1.wordpress.com
[Name Server] ns2.wordpress.com
[Name Server] ns3.wordpress.com
[Signing Key]

[登録年月日] 2018/01/09
[有効期限] 2023/01/31
[状態] Active
[最終更新] 2022/11/07 10:43:27 (JST)

Contact Information: [公開連絡窓口]
[名前] Whois情報公開代行サービス by お名前.com
[Name] Whois Privacy Protection Service by onamae.com
[Email] proxy@whoisprotectservice.com
[Web Page]
[郵便番号] 150-8512
[住所] 東京都渋谷区
桜丘町 26-1
セルリアンタワー 11階
[Postal Address] Shibuya-ku
26-1 Sakuragaoka-cho
Cerulean Tower 11F
[電話番号] +81.354562560
[FAX番号]


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
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