Linuc.org IT資格といえば LinuC | Linux技術者認定試験リナック | LPI-Japan

Linux技術者のスキルを認定するLinuC［リナック］（Linux技術者認定試験）の公式サイト。Linuxに関する無料セミナー、例題解説、教科書の無料ダウンロードなど、学習に役立つコンテンツが満載。クラウド時代におけるIT技術者必見情報が満載。

Linuc.org Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 05/08/2024

Linuc.org traffic estimate is about 1,984 unique visitors and 3,968 pageviews per day. The approximated value of linuc.org is 2,880 USD. Every unique visitor makes about 2 pageviews on average.

linuc.org is hosted by SAKURA-C SAKURA Internet Inc., JP. See the list of other websites hosted by SAKURA-C SAKURA Internet Inc., JP.

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

During the last check (June 28, 2022) linuc.org has an expired SSL certificate issued by Let's Encrypt (expired on September 09, 2022), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing and Symantec linuc.org is pretty a safe domain.

Relying on Google Mobile-Friendly test linuc.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.

Linuc.org General Information

Information not available

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Linuc.org Safety Information

Rankchart Summary

Unknown

Updated: 05/08/2024

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: 03/13/2024

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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: 05/08/2024

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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: 04/08/2021

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

Web of Trust

Not Checked

Updated: 05/08/2024

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

Linuc.org SSL Information

Information about SSL/TLS certificates

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Domain	linuc.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	06/11/2022
Expiration	09/09/2022
Signed	Certificate is not self signed
Additional Domains	linuc.org www.linuc.org

SSL Checker

Linuc.org Server Information

Linuc.org Server Location

Where website hosting server is located?

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Linuc.org ASN Information

Information about IP address owner

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ASN ID: 9371

ASN Title: SAKURA-C SAKURA Internet Inc., JP

Updated: 08/31/2023

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 '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)

Geolocation

ASN Lookup

Linuc.org Domain Name Information

Linuc.org DNS Information

Domain name service records

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A

Host	A Record	TTL

Linuc.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Linuc.org HTML Validation

Linuc.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Duplicate ID “navbarDropdown”.

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

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed

The “aria-labelledby” attribute must point to an element in the same document.

Warnings:

The first occurrence of ID “navbarDropdown” was here.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Element name “gcse:searchbox-only” cannot be represented as XML 1.0.

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

HTML Validator

Linuc.org Desktop Performance

How Well Linuc.org Performs On Desktops?

Website desktop performance and usability tips

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Data not available...

Linuc.org Mobile Performance

How Optimized Is Linuc.org for Mobile Devices?

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Linuc.org URL Typos

Most common user URL mistypes for linuc.org

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Linuc.org IT資格といえば LinuC | Linux技術者認定試験 リナック | LPI-Japan

Linuc.org Quick Summary

Linuc.org General Information

Linuc.org Safety Information

Linuc.org SSL Information

Linuc.org Server Information

Linuc.org Server Location

Linuc.org ASN Information

Linuc.org Domain Name Information

Linuc.org DNS Information

Linuc.org Whois Information

Linuc.org HTML Validation

Linuc.org W3C HTML Markup Validation

Linuc.org Desktop Performance

How Well Linuc.org Performs On Desktops?

Linuc.org Mobile Performance

How Optimized Is Linuc.org for Mobile Devices?

Linuc.org Nearest Competitors

Estimated Nearest Competitors Of Linuc.org

Linuc.org URL Typos

Most common user URL mistypes for linuc.org

Linuc.org IT資格といえば LinuC | Linux技術者認定試験リナック | LPI-Japan