atcoder.jp


Online Status
Online

Server IP address resolved:YES
Http response code: 200
Response time: 1.22 sec.
Redirect Url:https://atcoder.jp:443/
Last Checked: 2021-10-21

atcoder.jp belongs to Massachusetts Institute of Technology

atcoder.jp registered under .jp top-level domain.

The last verification results, performed on (Apr 15 00:00:00 2021 GMT) atcoder.jp show that atcoder.jp has an expired SSL certificate issued by Amazon (expired on May 14 23:59:59 2022 GMT). Click "Refresh" button for SSL Information at the Safety Information section.

The language been detected is en.

In accordance with Google Safe Browsing and Symantec atcoder.jp is pretty a safe domain.

Related Keywords
   

HTTP/1.1 301 Moved Permanently
Server: awselb/2.0
Date: Wed, 20 Oct 2021 19:47:53 GMT
Content-Type: text/html
Content-Length: 134
Connection: keep-alive
Location: https://atcoder.jp:443/

HTTP/2 200 
date: Wed, 20 Oct 2021 19:47:54 GMT
content-type: text/html; charset=utf-8
content-length: 33890
server: nginx
vary: Accept-Encoding
cache-control: no-cache, no-store, must-revalidate, private
expires: Fri, 1 Jan 2010 00:00:00 GMT
pragma: no-cache
set-cookie: REVEL_FLASH=; Path=/; HttpOnly; Secure; SameSite
set-cookie: REVEL_SESSION=c946eaf444d171619c590c6419b53fbe546a7bfe-%00csrf_token%3AZ927nw9JaeIYoqnvk8dD%2FIvaTEQ5gdjIVf%2FWwz5a%2BPE%3D%00%00_TS%3A1650311274%00; Path=/; Expires=Mon, 18 Apr 2022 19:47:54 GMT; Max-Age=15552000; HttpOnly; Secure; SameSite
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
Overview
Last Updated: 08/22/2021
Unknown status.
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: 04/01/2020
atcoder.jp is safe.
Norton ConnectSafe evaluates atcoder.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 08/22/2021
Not yet checked.
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: 04/02/2020
atcoder.jp 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: 04/01/2021
atcoder.jp is safe.
McAfee assesses atcoder.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 atcoder.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 2021-08-13 20:09:36
atcoder.jp child safety is very good.
The WOT calculates reputation of the atcoder.jp. This reputation system receives ratings from users and information from third-party sources, assesses the atcoder.jp for safety features and confirms, whether atcoder.jp is suitable for children.
Last Checked: 2021-10-21
Domainatcoder.jp
SSL CountryUS
Issuer OrganizationAmazon
IssuerServer CA 1B
Valid formApr 15 00:00:00 2021 GMT
ExpirationMay 14 23:59:59 2022 GMT
Additional Domains
Server Location 18.180.195.127
City: Cambridge
Region: Massachusetts
Country: United States
Longitude: -71.104522705078
Latitude: 42.365077972412
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]                   ATCODER.JP
[登録者名]                      AtCoder Inc.
[Registrant]                    AtCoder Inc.
[Name Server]                   ns-96.awsdns-12.com
[Name Server]                   ns-1144.awsdns-15.org
[Name Server]                   ns-890.awsdns-47.net
[Name Server]                   ns-1543.awsdns-00.co.uk
[Signing Key]
[登録年月日]                    2014/11/15
[有効期限]                      2021/11/30
[状態]                          Active
[最終更新]                      2020/12/01 01:05:08 (JST)
Contact Information: [公開連絡窓口]
[名前]                          Whois情報公開代行サービス by バリュードメイン
[Name]                          Whois Privacy Protection Service by VALUE-DOMAIN
[Email]                         [email protected]
[Web Page]                      https://www.value-domain.com/
[郵便番号]                      530-0011
[住所]                          大阪府大阪市北区大深町3-1
グランフロント大阪 タワーB　23階
[Postal Address]
[電話番号]                      06-7634-2727
[FAX番号]                       06-6374-0121
DNS Records
HostA RecordTTL
atcoder.jp.18.180.195.127299
atcoder.jp.52.68.26.188299
HostNS RecordTTL
atcoder.jp.ns-1543.awsdns-00.co.uk.86400
atcoder.jp.ns-890.awsdns-47.net.86400
atcoder.jp.ns-96.awsdns-12.com.86400
atcoder.jp.ns-1144.awsdns-15.org.86400
HostMX RecordPriorityTTL
atcoder.jp.aspmx2.googlemail.com.30300
atcoder.jp.aspmx3.googlemail.com.30300
atcoder.jp.aspmx4.googlemail.com.30300
atcoder.jp.aspmx5.googlemail.com.30300
atcoder.jp.aspmx.l.google.com.10300
atcoder.jp.alt1.aspmx.l.google.com.20300
atcoder.jp.alt2.aspmx.l.google.com.20300
HostTXT RecordTTL
atcoder.jp.pardot884953=58ccd91e72a6f94be7450fef89ee32f712f9e18afb5273954e7d09781c220ec1300
atcoder.jp.v=spf1 a:atcoder.jp a:api.atcoder.jp +ip4:183.177.145.0/28 include:_spf.google.com include:aspmx.pardot.com ?all300

ns-96.awsdns-12.com.
TTL: 900
Email address: awsdns-hostmaster.amazon.com.
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

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