Akahon.net 赤本ウェブサイト|「赤本」の教学社 大学過去問題集

大学入試過去問題集の代名詞「赤本」を刊行する出版社「教学社」の公式ウェブサイト。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.99 sec.
Last Checked: 08/09/2024

Over the time akahon.net has been ranked as high as 30,769 in the world.

Akahon.net receives about 388 unique visitors and 776 pageviews per day. The estimated value of akahon.net is 5,840 USD. Each unique visitor makes about 2 pageviews on average.

Akahon.net is registered under .NET top-level domain. Check other websites in .NET zone.

At the time of the last check (October 16, 2023) akahon.net has an expired SSL certificate issued by Japan Registry Services Co., Ltd. (expired on March 31, 2024). Check other websites using SSL certificates issued by Japan Registry Services Co., Ltd..

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust akahon.net is quite a safe domain.

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


Global Rank
871,586
Average Load Time
0.56sec
Links In Count
22
Website Value
$5,840

Overview
Last Updated: 05/05/2025
Overall result - "akahon.net" 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: 03/31/2025
akahon.net is safe.

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

Google Safe Search
Last Updated: 03/10/2019
akahon.net 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 "akahon.net".
"akahon.net" is not a phishing page.
"akahon.net" does not install unwanted software.
"akahon.net" 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: 03/01/2021
akahon.net is safe.

McAfee assesses akahon.net 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 akahon.net for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/11/2019
akahon.net child safety isvery good.

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

SSL Information
Domain akahon.net
Issuer OrganizationJapan Registry Services Co., Ltd.
Issuer JPRS Domain Validation Authority - G4
Algorithm RSA-SHA256
Valid form 03/15/2023
Expiration 03/31/2024
SignedCertificate is not self signed
Additional Domains akahon.net
www.akahon.net
Server Location

Not Found

ASN Information

Last Update: 04/24/2025

% [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 'AS9597'

aut-num: AS9597
as-name: CPI-NET
descr: KDDI Web Communications Inc.
import: from AS2497 100 accept ANY
import: from AS2516 100 accept ANY
export: to AS2497 announce AS9597
export: to AS2516 announce AS9597
country: JP
admin-c: YM12747JP
tech-c: YM12747JP
last-modified: 2016-10-12T02:06:05Z
source: JPNIC

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

WHOIS

Domain Name: AKAHON.NET
Registry Domain ID: 1441372810_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.jprs.jp
Registrar URL: http://jprs.jp/registrar/
Updated Date: 2023-03-03T15:18:46Z
Creation Date: 2008-04-03T06:51:49Z
Registry Expiry Date: 2028-04-03T06:51:49Z
Registrar: Japan Registry Services Co., Ltd.
Registrar IANA ID: 1485
Registrar Abuse Contact Email: gtld-abuse@jprs.jp
Registrar Abuse Contact Phone: +81.352158457
Domain Status: ok https://icann.org/epp#ok
Name Server: NS4.CPI.AD.JP
Name Server: NS5.CPI.AD.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-26T14:35:39Z

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

Last tested: 09/16/2015

Desktop
Desktop Speed
25%
Desktop Resource Breakdown
Total Resources143
Number of Hosts5
Static Resources140
JavaScript Resources7
CSS Resources4

Last tested: 06/04/2017

Mobile
Mobile Usability
63%
Mobile Speed
19%
Mobile Resource Breakdown
Total Resources167
Number of Hosts6
Static Resources163
JavaScript Resources8
CSS Resources5
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