Chokkan.org Naoaki Okazaki - Home
Naoaki Okazaki, Professor, School of Computing, Tokyo Institute of Technology
Chokkan.org Overview
Chokkan.org belongs to SAKURA-C SAKURA Internet Inc., JP. Check the list of other websites hosted by SAKURA-C SAKURA Internet Inc., JP.
In terms of rank-to-traffic ratio, chokkan.org has 1,960 unique users per day, viewing 3,960 pages. The rank based value of chokkan.org is 2,854 USD. Every user makes 2.14 pageviews on average.
Chokkan.org boasts a link base consisting of 251 referring domains and 266 external backlinks, as revealed by the data obtained from web network scanning.
Chokkan.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.
According the last verification test in August 16, 2024, chokkan.org has an expired SSL certificate issued by Let's Encrypt (expired on October 21, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.
Based on data from Google Safe Browsing and Symantec chokkan.org is a fairly safe domain.
Based on Mobile-Friendly test by Google chokkan.org is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.
Chokkan.org Website Safety
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 chokkan.org 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 chokkan.org 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 chokkan.org for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the chokkan.org. This reputation system receives ratings from users and information from third-party sources, assesses the chokkan.org for safety features and confirms, whether chokkan.org is suitable for children.
| Domain | chokkan.org |
| Issuer Organization | Let's Encrypt |
| Issuer | R11 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/23/2024 |
| Expiration | 10/21/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
chokkan.org www.chokkan.org |
Chokkan.org Rank History
Alexa Rank shows how popular chokkan.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If chokkan.org has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to chokkan.org and pageviews on chokkan.org over the past 3 months.
Chokkan.org Hosting Information
ASN ID: 9371
ASN Title: SAKURA-C SAKURA Internet Inc., JPLast Update: 03/05/2024
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9216 - AS10239'
as-block: AS9216 - AS10239
descr: APNIC 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: 2009-05-19T07:00:23Z
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 'AS9349 - AS9380'
as-block: AS9349 - AS9380
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:30Z
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 'AS9371'
aut-num: AS9371
as-name: SAKURA-C
descr: SAKURA Internet Inc.
import: from AS7514 100 accept ANY
import: from AS4716 110 accept ANY
import: from AS2554 110 accept ANY
import: from AS2907 110 accept ANY
import: from AS7506 110 accept ANY
import: from AS7684 110 accept ANY
export: to AS7514 announce AS9371
export: to AS4716 announce AS9371
export: to AS2554 announce AS9371
export: to AS2907 announce AS9371
export: to AS7506 announce AS9371
export: to AS7684 announce AS9371
country: JP
admin-c: KT749JP
tech-c: KT749JP
tech-c: KW419JP
last-modified: 2007-05-23T21:20:24Z
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
Chokkan.org Domain Registration and Settings
Domain Name: CHOKKAN.ORG
Registry Domain ID: D104721629-LROR
Registrar WHOIS Server: whois.jprs.jp
Registrar URL: https://jprs.jp/registrar/
Updated Date: 2021-06-25T15:51:35Z
Creation Date: 2004-08-04T16:58:28Z
Registry Expiry Date: 2022-08-04T16:58:28Z
Registrar Registration Expiration Date:
Registrar: Japan Registry Services, Co. Ltd
Registrar IANA ID: 1485
Registrar Abuse Contact Email: gtld-abuse@jprs.jp
Registrar Abuse Contact Phone: +81.352158457
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization:
Registrant State/Province: Osaka
Registrant Country: JP
Name Server: NS1.DNS.NE.JP
Name Server: NS2.DNS.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-05-22T20:52:20Z
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
|---|
Chokkan.org HTML Check
Chokkan.org Desktop Performance
Last tested: 02/09/2016
| Total Resources | 12 |
| Number of Hosts | 5 |
| Static Resources | 9 |
| JavaScript Resources | 4 |
| CSS Resources | 2 |
Chokkan.org Mobile Insights
Last tested: 02/09/2016
| Total Resources | 12 |
| Number of Hosts | 5 |
| Static Resources | 9 |
| JavaScript Resources | 4 |
| CSS Resources | 2 |
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