Yuketang.cn 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。


Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 12/01/2022

Yuketang.cn traffic volume is 9,720 unique daily visitors and their 31,104 pageviews. The web value rate of yuketang.cn is 543,646 USD. Each visitor makes around 3.42 page views on average.

By Alexa's traffic estimates yuketang.cn placed at 186 position over the world, while the largest amount of its visitors comes from China, where it takes 1,385 place.

Yuketang.cn registered under .CN top-level domain. Check other websites in .CN zone.

The last verification results, performed on (June 09, 2021) yuketang.cn show that yuketang.cn has an expired wildcard SSL certificate issued by DigiCert Inc (expired on March 08, 2022). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by DigiCert Inc.

In accordance with Google Safe Browsing and Symantec yuketang.cn is pretty a safe domain.

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


Global Rank
23,137
Average Load Time
0.00sec
Links In Count
60
Website Value
$508,080

Overview
Last Updated: 12/01/2022
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: 04/01/2022
yuketang.cn is safe.
Norton ConnectSafe evaluates yuketang.cn for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 12/01/2022
Unknown status.
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
yuketang.cn 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: 03/13/2021
yuketang.cn is safe.
McAfee assesses yuketang.cn 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 yuketang.cn for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 12/01/2022
yuketang.cn child safety is unknown.
The WOT calculates reputation of the yuketang.cn. This reputation system receives ratings from users and information from third-party sources, assesses the yuketang.cn for safety features and confirms, whether yuketang.cn is suitable for children.

SSL Information
Domain*.yuketang.cn
Issuer OrganizationDigiCert Inc
IssuerGeoTrust RSA CA 2018
AlgorithmRSA-SHA256
Valid form03/04/2021
Expiration03/08/2022
SignedCertificate is not self signed
Additional Domains *.yuketang.cn
yuketang.cn
Server Location

ASN Information

ASN ID: 37963
ASN Title: CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN

Last Update: 10/05/2022

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

% Information related to 'AS37888 - AS38911'

as-block: AS37888 - AS38911
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
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tech-c: HM20-AP
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mnt-lower: APNIC-HM
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source: APNIC

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source: APNIC

% Information related to 'AS37936 - AS37970'

as-block: AS37936 - AS37970
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
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tech-c: IPAS1-AP
mnt-by: APNIC-HM
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source: APNIC

role: CNNIC IPAS CONFEDERATION
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last-modified: 2013-09-12T07:40:01Z
source: APNIC

% Information related to 'AS37963'

% Abuse contact for 'AS37963' is 'ipas@cnnic.cn'

aut-num: AS37963
as-name: CNNIC-ALIBABA-CN-NET-AP
descr: Hangzhou Alibaba Advertising Co.,Ltd.
descr: East Software Park, 99 Huaxing Rd.
descr: Hangzhou, China
country: CN
admin-c: ZM678-AP
tech-c: ZM877-AP
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import: from AS4837
action pref=100;
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announce AS37963
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2013-07-24T02:44:02Z
source: APNIC

irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
mnt-by: MAINT-CNNIC-AP
last-modified: 2017-11-01T08:57:39Z
source: APNIC

person: Shuo Yu
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022600
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nic-hdl: ZM678-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2011-11-02T03:36:02Z
source: APNIC

person: Guoxin Gao
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022600
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nic-hdl: ZM875-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2014-07-30T01:56:01Z
source: APNIC

person: security trouble
e-mail: cloud-cc-sqcloud@list.alibaba-inc.com
address: 5th,floor,Building D,the West Lake International Plaza of S&T,391#Wen’er Road
address: Hangzhou, Zhejiang, China
phone: +86-0571-85022600
country: CN
mnt-by: MAINT-CNNIC-AP
nic-hdl: ZM876-AP
last-modified: 2013-07-08T02:56:02Z
source: APNIC

person: Guowei Pan
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022088-30763
fax-no: +86-0571-85022600
e-mail: guowei.pangw@alibaba-inc.com
nic-hdl: ZM877-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-07-09T01:34:02Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

WHOIS

Domain Name: yuketang.cn
ROID: 20150915s10001s77056476-cn
Domain Status: ok
Registrant: 北京慕华信息科技有限公司
Registrant Contact Email: dns@xuetangx.com
Sponsoring Registrar: 阿里云计算有限公司(万网)
Name Server: ns3.dnsv4.com
Name Server: ns4.dnsv4.com
Registration Time: 2015-09-15 21:16:58
Expiration Time: 2021-09-15 21:16:58
DNSSEC: unsigned


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
Warnings

Errors

Last tested: 11/26/2017

Desktop
Desktop Speed
58%

Desktop Resource Breakdown
Total Resources28
Number of Hosts7
Static Resources23
JavaScript Resources6
CSS Resources1

Last tested: 11/26/2017

Mobile
Mobile Usability
100%
Mobile Speed
57%

Mobile Resource Breakdown
Total Resources23
Number of Hosts5
Static Resources18
JavaScript Resources5
CSS Resources1
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