Ykt.io 雨课堂 - 免费的智慧教学解决方案

雨课堂是清华大学和学堂在线共同推出的新型智慧教学解决方案,是教育部在线教育研究中心的最新研究成果,致力于快捷免费的为所有教学过程提供数据化、智能化的信息支持。

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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 03/29/2024

Ykt.io belongs to ERX-CERNET-BKB China Education and Research Network Center, CN. Check the list of other websites hosted by ERX-CERNET-BKB China Education and Research Network Center, CN.

Ykt.io registered under .IO top-level domain. Check other websites in .IO zone.

The last verification results, performed on (March 29, 2024) ykt.io show that ykt.io has an invalid SSL certificate. Click “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Google Safe Search and Symantec ykt.io is pretty a safe domain.

Relying Google MobileFriendly test ykt.io is well optimized for mobile and tablet devices.

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NatureNature

Overview
Last Updated: 03/29/2024
Overall result - ykt.io 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: 03/21/2024
ykt.io is safe.
Norton ConnectSafe evaluates ykt.io for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/21/2016
ykt.io 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
ykt.io 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: 02/26/2021
ykt.io is safe.
McAfee assesses ykt.io 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 ykt.io for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 03/29/2024
ykt.io child safety is unknown.
The WOT calculates reputation of the ykt.io. This reputation system receives ratings from users and information from third-party sources, assesses the ykt.io for safety features and confirms, whether ykt.io is suitable for children.

SSL Information
DomainUnknown
Issuer OrganizationUnknown
IssuerUnknown
AlgorithmUnknown
Valid formUnknown
ExpirationUnknown
SignedNo information
Additional Domains
Server Location

ASN Information

ASN ID: 4538
ASN Title: ERX-CERNET-BKB China Education and Research Network Center, CN

Last Update: 03/11/2024

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

% Information related to 'AS4538'

% Abuse contact for 'AS4538' is 'abuse@net.edu.cn'

aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
admin-c: JW410-AP
tech-c: JW410-AP
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
mnt-by: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
last-modified: 2016-10-17T00:30:08Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: abuse@net.edu.cn
abuse-mailbox: abuse@net.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
mnt-by: MAINT-CERNET-AP
last-modified: 2010-11-26T03:14:01Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: jianping@CERNET.EDU.CN
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC

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

WHOIS

Domain Name: ykt.io
Registry Domain ID: 91286eac5506484e8cb5ba3e1583a0c8-DONUTS
Registrar WHOIS Server: whois.godaddy.com/
Registrar URL: http://www.godaddy.com/domains/search.aspx?ci=8990
Updated Date: 2022-09-02T16:00:28Z
Creation Date: 2016-03-25T06:33:22Z
Registry Expiry Date: 2024-03-25T06:33:22Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
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Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
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Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
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Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
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Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: f1g1ns1.dnspod.net
Name Server: f1g1ns2.dnspod.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-10-23T16:09:23Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
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Warnings

Errors

Last tested: 05/27/2017

Desktop
Desktop Speed
68%

Desktop Resource Breakdown
Total Resources21
Number of Hosts3
Static Resources17
JavaScript Resources3

Last tested: 05/27/2017

Mobile
Mobile Usability
100%
Mobile Speed
66%

Mobile Resource Breakdown
Total Resources16
Number of Hosts2
Static Resources12
JavaScript Resources4
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