sylff.org - Sylff Official Website | Cultivating Leaders of Tomorrow

Sylff.org Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 01/07/2025

sylff.org is hosted by BBTOWER BroadBand Tower, Inc., JP. See the list of other websites hosted by BBTOWER BroadBand Tower, Inc., JP.

Sylff.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

During the last check (April 06, 2022) sylff.org has an expired SSL certificate issued by GlobalSign nv-sa (expired on July 20, 2022), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by GlobalSign nv-sa.

In accordance with Google Safe Browsing, Symantec and Web of Trust sylff.org is pretty a safe domain.

Relying on Google Mobile-Friendly test sylff.org isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Sylff.org General Information

Information not available

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Sylff.org Safety Information

Rankchart Summary

Unknown

Updated: 01/07/2025

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

Safe

Updated: 03/04/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Not Checked

Updated: 01/07/2025

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/10/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 03/27/2021

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McAfee assesses sylff.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 sylff.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/14/2019

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The WOT calculates reputation of the sylff.org. This reputation system receives ratings from users and information from third-party sources, assesses the sylff.org for safety features and confirms, whether sylff.org is suitable for children.

Sylff.org SSL Information

Information about SSL/TLS certificates

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Domain	www.sylff.org
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign GCC R3 DV TLS CA 2020
Algorithm	RSA-SHA256
Valid form	06/18/2021
Expiration	07/20/2022
Signed	Certificate is not self signed
Additional Domains	www.sylff.org sylff.org

SSL Checker

Sylff.org Server Information

Sylff.org Server Location

Where website hosting server is located?

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Sylff.org ASN Information

Information about IP address owner

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ASN ID: 9607

ASN Title: BBTOWER BroadBand Tower, Inc., JP

Updated: 05/13/2024

Raw ASN data:

% [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 'AS9591 - AS9622'

as-block: AS9591 - AS9622
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 'AS9607'

aut-num: AS9607
as-name: BBTower
descr: BroadBand Tower, Inc.
import: from AS2510 100 accept ANY
import: from AS10026 100 accept ANY
export: to AS2510 announce AS9607
export: to AS10026 announce AS9607
country: JP
admin-c: JP00020513
tech-c: JP00020513
last-modified: 2013-01-12T01:38:04Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Geolocation

ASN Lookup

Sylff.org Domain Name Information

Sylff.org DNS Information

Domain name service records

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Host	A Record	TTL

Sylff.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Domain Name: sylff.org
Registry Domain ID: c9500b7ef5574d7dafa40277bd67a184-LROR
Registrar WHOIS Server: http://whois.discount-domain.com
Registrar URL: http://www.onamae.com
Updated Date: 2023-02-04T00:40:03Z
Creation Date: 2006-02-24T06:35:37Z
Registry Expiry Date: 2026-02-24T06:35:37Z
Registrar: GMO Internet Group, Inc. d/b/a Onamae.com
Registrar IANA ID: 49
Registrar Abuse Contact Email: abuse@gmo.jp
Registrar Abuse Contact Phone: +81.337709199
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 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 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 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: ns-1140.awsdns-14.org
Name Server: ns-1013.awsdns-62.net
Name Server: ns-1927.awsdns-48.co.uk
Name Server: ns-327.awsdns-40.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-06-24T13:10:39Z

Whois

DNS Lookup

Sylff.org HTML Validation

Sylff.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Stray doctype.

No space between attributes.

Duplicate ID “js-gSearchBtn”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Start tag “a” seen but an element of the same type was already open.

End tag “a” violates nesting rules.

Cannot recover after last error. Any further errors will be ignored.

Warnings:

Consider avoiding viewport values that prevent users from resizing documents.

The first occurrence of ID “js-gSearchBtn” was here.

HTML Validator

Sylff.org Desktop Performance

How Well Sylff.org Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

21%

Optimize images

Enable compression

Leverage browser caching

Minify HTML

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify JavaScript

Reduce server response time

Minify CSS

Updated: 04/27/2018

Sylff.org Mobile Performance

How Optimized Is Sylff.org for Mobile Devices?

Tips on speeding up mobile site performance

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Data not available...

Sylff.org URL Typos

Most common user URL mistypes for sylff.org

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www.sylfv.org
www.sylffv.org

Total Resources	88
Number of Hosts	13
Static Resources	73
JavaScript Resources	24
CSS Resources	7

CSS	621.8 KBytes
Images	2.9 MBytes
HTML	140.8 KBytes
JavaScript	833.5 KBytes
Other	386.3 KBytes

Sylff.org Sylff Official Website | Cultivating Leaders of Tomorrow

The Ryoichi Sasakawa Young Leaders Fellowship Fund (Sylff) Program supports students pursuing graduate degrees in the humanities and social sciences a...

Sylff.org Quick Summary

Sylff.org General Information

Sylff.org Safety Information

Sylff.org SSL Information

Sylff.org Server Information

Sylff.org Server Location

Sylff.org ASN Information

Sylff.org Domain Name Information

Sylff.org DNS Information

Sylff.org Whois Information

Sylff.org HTML Validation

Sylff.org W3C HTML Markup Validation

Sylff.org Desktop Performance

How Well Sylff.org Performs On Desktops?

Sylff.org Mobile Performance

How Optimized Is Sylff.org for Mobile Devices?

Sylff.org URL Typos

Most common user URL mistypes for sylff.org