知っとく.club 知っとく俱楽部
普段の生活に役立つ豆知識。知らなきゃ損する情報ネタなどをお届けします。
Server IP address resolved: No
Http response code: None
Last Checked: 06/14/2026
知っとく.club attracts 536 unique visitors daily, generating 536 pageviews. The estimated value of 知っとく.club is 6,249 USD. Each visitor views approximately 1.07 pages on average.
According to Majestic's traffic estimates, 知っとく.club ranks 49,695 globally.
See the list of other websites hosted by XSERVER Xserver Inc., JP.
知っとく.club is registered with the .CLUB top-level domain. Explore additional websites within the .CLUB zone.
A recent examination on (May 17, 2021), indicates that 知っとく.club has an expired SSL certificate issued by Let's Encrypt (expired on July 21, 2021). 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, Google Safe Search and Symantec 知っとく.club appears to be a safe domain.
Based on Google's Mobile-Friendly test, 知っとく.club is optimized for mobile and tablet devices.

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 ConnectSafe evaluates 知っとく.club for any unsafe and insecure content. The results are critical for families with young children.

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.

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.

McAfee assesses 知っとく.club 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 知っとく.club for mature or inappropriate content, only security checks are evaluated.

The WOT calculates reputation of the 知っとく.club. This reputation system receives ratings from users and information from third-party sources, assesses the 知っとく.club for safety features and confirms, whether 知っとく.club is suitable for children.
| Domain | www.知っとく.club |
| Issuer Organization | Let's Encrypt |
| Issuer | R3 |
| Algorithm | RSA-SHA256 |
| Valid form | 04/22/2021 |
| Expiration | 07/21/2021 |
| Signed | Certificate is not self signed |
| Additional Domains |
www.知っとく.club 知っとく.club |
ASN ID: 131965
ASN Title: XSERVER Xserver Inc., JP
Last Update: 01/07/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS131072 - AS132095'
as-block: AS131072 - AS132095
descr: APNIC 32-bit ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T05:34:08Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS131905 - AS131992'
as-block: AS131905 - AS131992
descr: JPNIC-4Byte-ASBLOCK-AP
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: for assignment to JPNIC members
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.ad.jp
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
last-modified: 2016-01-27T00:24:03Z
source: APNIC
role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC
% Information related to 'AS131965'
aut-num: AS131965
as-name: XSERVER
descr: Xserver Inc.
import:
export:
country: JP
admin-c: JP00193983
tech-c: JP00193983
last-modified: 2020-05-27T00:41:42Z
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-US4)
Domain Name: xn--y8jwbp6134e.club
Registry Domain ID: D9942121-CLUB
Registrar WHOIS Server: whois.discount-domain.com
Registrar URL: whois.discount-domain.com
Updated Date: 2023-03-05T03:12:21Z
Creation Date: 2017-03-02T14:41:11Z
Registry Expiry Date: 2024-03-01T23:59:59Z
Registrar: GMO Internet, Inc. d/b/a Onamae.com
Registrar IANA ID: 49
Registrar Abuse Contact Email: abuse@gmo.jp
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Whois Privacy Protection Service by onamae.com
Registrant Street: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Tokyo
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: JP
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns4.xserver.jp
Name Server: ns1.xserver.jp
Name Server: ns2.xserver.jp
Name Server: ns3.xserver.jp
Name Server: ns5.xserver.jp
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-10-10T16:41:32Z
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
|---|
Last tested: 03/14/2019

| Total Resources | 83 |
| Number of Hosts | 27 |
| Static Resources | 32 |
| JavaScript Resources | 21 |
| CSS Resources | 9 |
Last tested: 03/14/2019


| Total Resources | 130 |
| Number of Hosts | 30 |
| Static Resources | 46 |
| JavaScript Resources | 24 |
| CSS Resources | 8 |
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