Hyuki.com 結城浩 / Hiroshi Yuki / The Essence of Programming / プログラミングのエッセンス

書籍『数学ガール』作者、結城浩の個人サイト。数学、プログラミング、文章書きに関する情報と、気軽な読み物。


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.63 sec.
Last Checked: 11/05/2024

Hyuki.com traffic volume is 1,039 unique daily visitors and their 1,766 pageviews. The web value rate of hyuki.com is 23,433 USD. Each visitor makes around 1.82 page views on average.

By Alexa's traffic estimates hyuki.com placed at 36,102 position over the world, while the largest amount of its visitors comes from Japan, where it takes 37,401 place.

Perfect for hyuki.com that their data center (provided by company company AMAZON-02 - Amazon.com, Inc., US) is located in Japan, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by AMAZON-02 - Amazon.com, Inc., US.

Hyuki.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (June 18, 2023) hyuki.com show that hyuki.com has an expired SSL certificate issued by Let's Encrypt (expired on September 05, 2023). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust hyuki.com is pretty a safe domain.

Relying Google MobileFriendly test hyuki.com is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
413,538
Average Load Time
0.34sec
Links In Count
624
Website Value
$21,900

Overview
Last Updated: 11/05/2024
Overall result - hyuki.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: 03/25/2024
hyuki.com is safe.
Norton ConnectSafe evaluates hyuki.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/08/2016
hyuki.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
hyuki.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: 02/25/2021
hyuki.com is safe.
McAfee assesses hyuki.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 hyuki.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/10/2019
hyuki.com child safety is good.
The WOT calculates reputation of the hyuki.com. This reputation system receives ratings from users and information from third-party sources, assesses the hyuki.com for safety features and confirms, whether hyuki.com is suitable for children.

SSL Information
Domainhyuki.com
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form06/07/2023
Expiration09/05/2023
SignedCertificate is not self signed
Additional Domains hyuki.com
www.hyuki.com
www.hyuki.net
Server Location

ASN Information

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 08/01/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

Domain Name: HYUKI.COM
Registry Domain ID: 15371620_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.jprs.jp
Registrar URL: http://jprs.jp/registrar/
Updated Date: 2023-10-26T22:49:17Z
Creation Date: 1999-12-16T08:35:50Z
Registry Expiry Date: 2024-12-16T08:35:50Z
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: NS1.DNS.NE.JP
Name Server: NS2.DNS.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-21T12:38:37Z


DNS Records
HostA RecordTTL
hyuki.com219.109.139.69300
HostMX RecordPriorityTTL
hyuki.comhyuki.com10300
HostNS RecordTTL
hyuki.comns1.netplatz.jp300
hyuki.comns2.netplatz.jp300
HostTXT RecordTTL
hyuki.comv=spf1 ip4:219.109.139.0/24 ~all300

ns1.netplatz.jp
TTL: 300
Email address: root.netplatz.jp
Serial: 2018070100
Refresh: 600
Retry: 600
Expire: 86400
Minimum: 600


Errors
Warnings

Last tested: 05/22/2018

Desktop
Desktop Speed
28%

Desktop Resource Breakdown
Total Resources55
Number of Hosts13
Static Resources43
JavaScript Resources7
CSS Resources4

Last tested: 09/05/2018

Mobile
Mobile Usability
100%
Mobile Speed
27%

Mobile Resource Breakdown
Total Resources53
Number of Hosts13
Static Resources43
JavaScript Resources7
CSS Resources4
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