Dfrobot.com.cn DFRobot官网-开源硬件,智能机器人和科创教育产品及服务提供商

DFRobot为全球创客提供产品和服务的综合性平台,致力于为青少年和创客爱好者提供开源硬件产品、机器人及零配件产品。已为全球超200多个国家和地区8000多所学校20000多名老师和同学提供创客教育产品和STEAM教育方案。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.50 sec.
Last Checked: 02/11/2023

Over the time dfrobot.com.cn has been ranked as high as 3,320 in the world, while most of its traffic comes from China, where it reached as high as 5,294 position.

Dfrobot.com.cn receives about 4,234 unique visitors and 16,089 pageviews per day. The estimated value of dfrobot.com.cn is 280,320 USD. Each unique visitor makes about 3.8 pageviews on average.

Dfrobot.com.cn is registered under .CN top-level domain. Check other websites in .CN zone.

At the time of the last check (August 14, 2020) dfrobot.com.cn has an expired wildcard SSL certificate issued by GoDaddy.com, Inc. (expired on November 05, 2020). Check other websites using SSL certificates issued by GoDaddy.com, Inc..

According to Google Safe Browsing, Google Safe Search and Symantec dfrobot.com.cn is quite a safe domain.

Mobile-Friendly test indicates that dfrobot.com.cn is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
41,312
Average Load Time
1.82sec
Links In Count
210
Website Value
$280,320

Overview
Last Updated: 03/28/2024
Overall result - "dfrobot.com.cn" 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: 03/24/2024
dfrobot.com.cn is safe.

Norton ConnectSafe evaluates dfrobot.com.cn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 11/01/2016
dfrobot.com.cn 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
Malware not found at "dfrobot.com.cn".
"dfrobot.com.cn" is not a phishing page.
"dfrobot.com.cn" does not install unwanted software.
"dfrobot.com.cn" does not contain harmfull applications.
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: 02/24/2021
dfrobot.com.cn is safe.

McAfee assesses dfrobot.com.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 dfrobot.com.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 03/28/2024
dfrobot.com.cn child safety isunknown.

The WOT calculates reputation of the dfrobot.com.cn. This reputation system receives ratings from users and information from third-party sources, assesses the dfrobot.com.cn for safety features and confirms, whether dfrobot.com.cn is suitable for children.

SSL Information
Domain *.dfrobot.com.cn
Issuer OrganizationGoDaddy.com, Inc.
Issuer Go Daddy Secure Certificate Authority - G2
Algorithm RSA-SHA256
Valid form 11/05/2018
Expiration 11/05/2020
SignedCertificate is not self signed
Additional Domains *.dfrobot.com.cn
dfrobot.com.cn
Server Location
Beijing
Beijing
China
ASN Information

Last Update: 10/06/2023

% [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
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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: dfrobot.com.cn
ROID: 20100318s10011s88110063-cn
Domain Status: ok
Registrant: 上海智位机器人股份有限公司
Registrant Contact Email: ricky.ye@dfrobot.com
Sponsoring Registrar: 阿里云计算有限公司(万网)
Name Server: dns15.hichina.com
Name Server: dns16.hichina.com
Registration Time: 2010-03-18 19:18:50
Expiration Time: 2025-03-18 19:18:50
DNSSEC: unsigned

DNS Records
HostA RecordTTL
dfrobot.com.cn212.64.26.743600
HostMX RecordPriorityTTL
HostNS RecordTTL
dfrobot.com.cndns16.hichina.com86400
dfrobot.com.cndns15.hichina.com86400
HostTXT RecordTTL
dfrobot.com.cnthltg9pkc4s7fht41ldakroh6p600

dns15.hichina.com
TTL: 3600
Email address: hostmaster.hichina.com
Serial: 2018060401
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum: 360

Errors
Warnings

Last tested: 12/10/2018

Desktop
Desktop Speed
28%
Desktop Resource Breakdown
Total Resources105
Number of Hosts11
Static Resources83
JavaScript Resources17
CSS Resources5

Last tested: 12/10/2018

Mobile
Mobile Usability
99%
Mobile Speed
40%
Mobile Resource Breakdown
Total Resources55
Number of Hosts11
Static Resources36
JavaScript Resources11
CSS Resources2
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