Zhongkao.com 北京学而思网络科技有限公司

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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 11/05/2024

Zhongkao.com traffic volume is 3,475 unique daily visitors and their 15,292 pageviews. The web value rate of zhongkao.com is 271,823 USD. Each visitor makes around 4.71 page views on average.

By Alexa's traffic estimates zhongkao.com placed at 2,612 position over the world, while the largest amount of its visitors comes from China, where it takes 4,340 place.

Perfect for zhongkao.com that their data center (provided by company company CNNIC-BAIDU-AP Beijing Baidu Netcom Science and Technology Co., Ltd., CN) is located in China, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by CNNIC-BAIDU-AP Beijing Baidu Netcom Science and Technology Co., Ltd., CN.

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

The last verification results, performed on (April 28, 2021) zhongkao.com show that zhongkao.com has an expired wildcard SSL certificate issued by DigiCert Inc (expired on May 02, 2019). 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, Google Safe Search, Symantec and Web of Trust zhongkao.com is pretty a safe domain.

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


Global Rank
46,056
Average Load Time
1.24sec
Links In Count
241
Website Value
$254,040

Overview
Last Updated: 11/05/2024
Overall result - zhongkao.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
zhongkao.com is safe.
Norton ConnectSafe evaluates zhongkao.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 02/13/2019
zhongkao.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
zhongkao.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: 02/22/2021
zhongkao.com is safe.
McAfee assesses zhongkao.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 zhongkao.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
zhongkao.com child safety is very good.
The WOT calculates reputation of the zhongkao.com. This reputation system receives ratings from users and information from third-party sources, assesses the zhongkao.com for safety features and confirms, whether zhongkao.com is suitable for children.

SSL Information
Domain*.aoshu.com
Issuer OrganizationDigiCert Inc
IssuerRapidSSL RSA CA 2018
AlgorithmRSA-SHA256
Valid form05/02/2018
Expiration05/02/2019
SignedCertificate is not self signed
Additional Domains *.aoshu.com
aoshu.com
Server Location

ASN Information

ASN ID: 38365
ASN Title: CNNIC-BAIDU-AP Beijing Baidu Netcom Science and Technology Co., Ltd., CN

Last Update: 07/19/2024

% [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
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: 2009-09-29T06:04:16Z
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 'AS38335 - AS38384'

as-block: AS38335 - AS38384
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
admin-c: IPAS1-AP
tech-c: IPAS1-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CNNIC-AP
last-modified: 2008-09-04T06:40:26Z
source: APNIC

role: CNNIC IPAS CONFEDERATION
address: No.4, Zhongguancun No.4 South Street,
address: Haidian District, Beijing
country: CN
phone: +86-010-58813000
fax-no: +86-010-58813075
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: IPAS1-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:40:01Z
source: APNIC

% Information related to 'AS38365'

% Abuse contact for 'AS38365' is 'ipas@cnnic.cn'

aut-num: AS38365
as-name: CNNIC-Baidu-AP
descr: Beijing Baidu Netcom Science and Technology Co., Ltd.
descr: 10th Floor No.6 2nd North Street Haidian District Beijing,100080
country: CN
import: from AS24138
action pref=100;
accept ANY
import: from AS4538
action pref=100;
accept ANY
export: to AS24138
announce AS38365
export: to AS4538
announce AS38365
admin-c: DL973-AP
tech-c: JC2179-AP
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
mnt-lower: MAINT-CNNIC-AP
last-modified: 2016-10-17T00:30:32Z
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: Daniel Liu
nic-hdl: DL973-AP
address: 10th Floor No.6 2nd North Street Haidian District Beijing,100080
country: CN
phone: +8610-82602288-6246
fax-no: +8610-62684273
e-mail: liuzhigang@baidu.com
mnt-by: MAINT-CNNIC-AP
last-modified: 2008-09-04T07:50:21Z
source: APNIC

person: Jacky Chang
nic-hdl: JC2179-AP
address: 10th Floor No.6 2nd North Street Haidian District Beijing,100080
country: CN
phone: +8610-82602288-7280
fax-no: +8610-62684273
e-mail: zhangcheng@baidu.com
mnt-by: MAINT-CNNIC-AP
last-modified: 2008-09-04T07:50:21Z
source: APNIC

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

WHOIS

Domain Name: ZHONGKAO.COM
Registry Domain ID: 97515105_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2020-10-28T11:14:45Z
Creation Date: 2003-05-04T18:22:45Z
Registry Expiry Date: 2025-05-04T18:22:45Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS11.HICHINA.COM
Name Server: DNS12.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-20T17:59:35Z


DNS Records
HostA RecordTTL
zhongkao.com122.112.13.59600
HostMX RecordPriorityTTL
zhongkao.commx3.dns-diy.com10600
zhongkao.commx1.dns-diy.com10600
HostNS RecordTTL
zhongkao.comdns12.hichina.com86400
zhongkao.comdns11.hichina.com86400
HostTXT RecordTTL

dns11.hichina.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 2017082811
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum: 360


Errors
Warnings
NON-DOCUMENT-ERROR

Last tested: 10/11/2016

Desktop
Desktop Speed
4%

Desktop Resource Breakdown
Total Resources133
Number of Hosts16
Static Resources119
JavaScript Resources27
CSS Resources3

Last tested: 10/11/2016

Mobile
Mobile Usability
98%
Mobile Speed
48%

Mobile Resource Breakdown
Total Resources35
Number of Hosts12
Static Resources26
JavaScript Resources11
CSS Resources1
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