Duifene.com 对分易--为中国教师量身定做的新型教学平台

第一个为中国教师量身定做的新型教学平台,汇聚了中国数百位一线教师的集体智慧,解决教学中细致而繁琐的工作,简洁明快、实用好用,让技术真正为师生服务 ,适合各种教学模式,更是对分课堂的官方教学平台。


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 3.63 sec.
Last Checked: 04/26/2024

Duifene.com belongs to CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN. Check the list of other websites hosted by CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN.

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

The last verification results, performed on (April 26, 2024) duifene.com show that duifene.com has an invalid SSL certificate. Click “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing and Symantec duifene.com is pretty a safe domain.

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



Overview
Last Updated: 04/26/2024
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: 03/27/2024
duifene.com is safe.
Norton ConnectSafe evaluates duifene.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 04/26/2024
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
duifene.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: 02/26/2021
duifene.com is safe.
McAfee assesses duifene.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 duifene.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 04/26/2024
duifene.com child safety is unknown.
The WOT calculates reputation of the duifene.com. This reputation system receives ratings from users and information from third-party sources, assesses the duifene.com for safety features and confirms, whether duifene.com is suitable for children.

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

ASN Information

ASN ID: 45090
ASN Title: CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN

Last Update: 03/12/2024

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

% Information related to 'AS45056 - AS45115'

as-block: AS45056 - AS45115
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: 2009-09-29T06:15:17Z
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 'AS45056 - AS46079'

as-block: AS45056 - AS46079
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: 2009-09-29T05:48:11Z
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 'AS45090'

% Abuse contact for 'AS45090' is 'ipas@cnnic.cn'

aut-num: AS45090
as-name: CNNIC-TENCENT-NET-AP
descr: Shenzhen Tencent Computer Systems Company Limited
descr: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan
descr: District,Shenzhen
country: CN
import: from AS18118
action pref=100;
accept ANY
import: from AS17962
action pref=100;
accept ANY
export: to AS18118
announce AS45090
export: to AS17962
announce AS45090
admin-c: DR196-AP
tech-c: JW2054-AP
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2016-10-17T00:30:37Z
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: Dreams Ruan
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
country: CN
phone: +86-755-86013388-84520
fax-no: +86-755-86013030
e-mail: dreamsruan@tencent.com
nic-hdl: DR196-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2010-05-10T10:02:01Z
source: APNIC

person: Jsquare Wu
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
country: CN
phone: +86-755-86013388-88441
fax-no: +86-755-86013030
e-mail: jsquare@tencent.com
nic-hdl: JW2054-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2010-05-10T10:02:01Z
source: APNIC

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

WHOIS

Domain Name: DUIFENE.COM
Registry Domain ID: 1993612934_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.paycenter.com.cn
Registrar URL: http://www.xinnet.com
Updated Date: 2021-11-12T14:13:17Z
Creation Date: 2016-01-12T04:25:42Z
Registry Expiry Date: 2025-01-12T04:25:42Z
Registrar: Xin Net Technology Corporation
Registrar IANA ID: 120
Registrar Abuse Contact Email: supervision@xinnet.com
Registrar Abuse Contact Phone: +86.4008182233
Domain Status: ok https://icann.org/epp#ok
Name Server: VIP3.ALIDNS.COM
Name Server: VIP4.ALIDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-11-16T17:10:11Z


DNS Records
HostA RecordTTL
duifene.com118.25.107.136600
duifene.com212.64.110.81600
duifene.com212.129.143.186600
duifene.com212.129.139.131600
duifene.com212.129.140.37600
duifene.com212.64.7.173600
duifene.com115.159.91.249600
duifene.com115.159.193.130600
HostMX RecordPriorityTTL
duifene.commxbiz2.qq.com101
duifene.commxbiz1.qq.com101
HostNS RecordTTL
duifene.comvip4.alidns.com86400
duifene.comvip3.alidns.com86400
HostTXT RecordTTL
duifene.comv=spf1 include:spf.mail.qq.com ~all1

vip3.alidns.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 2019022822
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum: 360

Warnings

Errors

Last tested: 05/20/2018

Desktop
Desktop Speed
67%

Desktop Resource Breakdown
Total Resources85
Number of Hosts15
Static Resources52
JavaScript Resources26
CSS Resources9

Last tested: 05/20/2018

Mobile
Mobile Usability
100%
Mobile Speed
55%

Mobile Resource Breakdown
Total Resources24
Number of Hosts2
Static Resources17
JavaScript Resources5
CSS Resources3
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