Fe-siken.com 基本情報技術者試験ドットコム

基本情報技術者試験の解説No.1を目指すサイト。試験の概要・出題範囲・おすすめのテキストから過去問題の解説まで基本情報技術者に関係している情報を発信しています。わからない疑問・難問があれば掲示板かメールでお気軽にお問い合わせください。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.32 sec.
Last Checked: 01/24/2025

Fe-siken.com attracts 693 unique visitors daily, generating 2,427 pageviews. The estimated value of fe-siken.com is 42,179 USD. Each visitor views approximately 3.75 pages on average.

According to Majestic's traffic estimates, fe-siken.com ranks 5,959 globally, with the majority of its visitors coming from Japan, where it holds the 18,493 position.

See the list of other websites hosted by XSERVER Xserver Inc., JP.

Fe-siken.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

A recent examination on (August 12, 2022), indicates that fe-siken.com has an expired SSL certificate issued by Let's Encrypt (expired on November 04, 2022). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec fe-siken.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, fe-siken.com is optimized for mobile and tablet devices.

Global Rank
291,643
Average Load Time
0.67sec
Links In Count
53
Website Value
$39,420
Overview
Last Updated: 01/24/2025
Overall result - fe-siken.com 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: 03/22/2024
fe-siken.com is safe.
Norton ConnectSafe evaluates fe-siken.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/22/2016
fe-siken.com 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
fe-siken.com is safe.
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.
Site Advisor
Last Updated: 02/23/2021
fe-siken.com is safe.
McAfee assesses fe-siken.com 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 fe-siken.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/24/2025
fe-siken.com child safety is unknown.
The WOT calculates reputation of the fe-siken.com. This reputation system receives ratings from users and information from third-party sources, assesses the fe-siken.com for safety features and confirms, whether fe-siken.com is suitable for children.

Fe-siken.com | SSL Certificate Information
Domainwww.fe-siken.com
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form08/06/2022
Expiration11/04/2022
SignedCertificate is not self signed
Additional Domains fe-siken.com
www.fe-siken.com
Server Location

Fe-siken.com ASN Information

ASN ID: 131965
ASN Title: XSERVER Xserver Inc., JP

Last Update: 07/20/2024

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS131072 - AS132095'

as-block: AS131072 - AS132095
descr: APNIC 32-bit 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: 2009-09-29T05:34:08Z
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 'AS131905 - AS131992'

as-block: AS131905 - AS131992
descr: JPNIC-4Byte-ASBLOCK-AP
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: for assignment to JPNIC members
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.ad.jp
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
last-modified: 2016-01-27T00:24:03Z
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 'AS131965'

aut-num: AS131965
as-name: XSERVER
descr: Xserver Inc.
import:
export:
country: JP
admin-c: JP00193983
tech-c: JP00193983
last-modified: 2020-05-27T00:41:42Z
source: JPNIC

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

WHOIS

Domain Name: FE-SIKEN.COM
Registry Domain ID: 1584114104_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2024-01-04T00:23:54Z
Creation Date: 2010-02-03T13:46:09Z
Registry Expiry Date: 2025-02-03T13:46:09Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.SIXCORE.NE.JP
Name Server: NS2.SIXCORE.NE.JP
Name Server: NS3.SIXCORE.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-25T23:52:41Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings
NON-DOCUMENT-ERROR

Last tested: 11/18/2018

Desktop
Desktop Speed
90%

Desktop Resource Breakdown
Total Resources47
Number of Hosts22
Static Resources27
JavaScript Resources19
CSS Resources6

Last tested: 11/18/2018

Mobile
Mobile Usability
61%
Mobile Speed
83%

Mobile Resource Breakdown
Total Resources48
Number of Hosts23
Static Resources28
JavaScript Resources21
CSS Resources6
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