Writeup.jp (株)ライトアップ|全国、全ての中小企業を黒字にする(証券コード6580)、AIで全てを変える

創業20期目の渋谷本社のIT・ネット企業。新規事業の資金確保、開発支援、販売代理を成功報酬で。生成AIで事業計画書作成から営業支援まで対応。

Online Status
UNKNOWN

Over the time writeup.jp has been ranked as high as 17,630 in the world.

Writeup.jp receives about 999 unique visitors and 1,998 pageviews per day. The estimated value of writeup.jp is 39,420 USD. Each unique visitor makes about 2 pageviews on average.

Writeup.jp is registered under .JP top-level domain. Check other websites in .JP zone.

At the time of the last check (April 16, 2021) writeup.jp has an expired SSL certificate issued by Let's Encrypt (expired on July 02, 2021). Check other websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec writeup.jp is quite a safe domain.

Mobile-Friendly test indicates that writeup.jp is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
339,747
Average Load Time
0.96sec
Links In Count
52
Website Value
$39,420

Overview
Last Updated: 11/05/2024
Overall result - "writeup.jp" is SAFE.
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: 02/15/2024
writeup.jp is safe.

Norton ConnectSafe evaluates writeup.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 04/04/2017
writeup.jp is safe.

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: 01/09/2019
Malware not found at "writeup.jp".
"writeup.jp" is not a phishing page.
"writeup.jp" does not install unwanted software.
"writeup.jp" does not contain harmfull applications.
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: 02/16/2021
writeup.jp is safe.

McAfee assesses writeup.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 writeup.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 11/05/2024
writeup.jp child safety isunknown.

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

SSL Information
Domain writeup.jp
Issuer OrganizationLet's Encrypt
Issuer R3
Algorithm RSA-SHA256
Valid form 04/03/2021
Expiration 07/02/2021
SignedCertificate is not self signed
Additional Domains writeup.jp
www.writeup.jp
Server Location

Not Found

ASN Information

ASN ID: 9370
ASN Title: SAKURA-B SAKURA Internet Inc., JP

Last Update: 03/13/2024

% [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 'AS9370'

aut-num: AS9370
as-name: SAKURA-B
descr: SAKURA Internet Inc.
import: from AS7514 100 accept ANY
import: from AS4694 100 accept ANY
import: from AS9603 100 accept ANY
import: from AS3549 100 accept ANY
import: from AS2497 100 accept ANY
import: from AS9371 100 accept ANY
export: to AS7514 announce AS9370
export: to AS4694 announce AS9370
export: to AS9603 announce AS9370
export: to AS3549 announce AS9370
export: to AS2497 announce AS9370
export: to AS9371 announce AS9370
country: JP
admin-c: KT749JP
tech-c: KT749JP
tech-c: KW419JP
last-modified: 2007-05-23T21:20:05Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

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] WRITEUP.JP

[登録者名] 白石 崇
[Registrant] Takashi Shiraishi

[Name Server] ns1.dns.ne.jp
[Name Server] ns2.dns.ne.jp
[Signing Key]

[登録年月日] 2001/12/26
[有効期限] 2022/12/31
[状態] Active
[最終更新] 2022/01/01 01:05:08 (JST)

Contact Information: [公開連絡窓口]
[名前] 白石 崇
[Name] Takashi Shiraishi
[Email] t.shiraishi@anet.ne.jp
[Web Page]
[郵便番号] 112-0002
[住所] 東京都文京区
小石川5−18−4−204ON
[Postal Address] 5-18-4-204on Koishikawa
Bunkyo-ku
Tokyo 112-0002, Japan
[電話番号] 03-5977-1157
[FAX番号] 03-5977-1157

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
Errors
Warnings

Last tested: 06/28/2018

Desktop
Desktop Speed
17%
Desktop Resource Breakdown
Total Resources91
Number of Hosts16
Static Resources64
JavaScript Resources30
CSS Resources9

Last tested: 06/04/2017

Mobile
Mobile Usability
99%
Mobile Speed
18%
Mobile Resource Breakdown
Total Resources87
Number of Hosts15
Static Resources66
JavaScript Resources24
CSS Resources6
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