Csdn.net CSDN-专业IT技术社区

Csdn.net Overview

Csdn.net ranking shows that the page is at position 31 over the world, while the bulk of its audience is from China, where it ranks 9.

It is beneficial to csdn.net that their hosting company CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN servers are located in China, as that reduces page load time for the majority of their users. See the list of other webpages hosted on CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN servers.

In terms of rank-to-traffic ratio, csdn.net has 5,979,681 unique users per day, viewing 23,835,092 pages. The rank based value of csdn.net is 316,439,294 USD. Every user makes 4.27 pageviews on average.

Csdn.net top-level domain belongs to .NET domain zone. Check other webpages in .NET zone.

According the last verification test in January 11, 2022, csdn.net has a valid and up-to-date wildcard SSL certificate issued by DigiCert Inc , certificate expiration date: December 02, 2022. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by DigiCert Inc.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust csdn.net is a fairly safe domain.

According the Mobile-Friendly test by Google csdn.net is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Csdn.net Rank Summary

Global Rank
31
Average Load Time
1.56sec
Links In Count
10,648
Website Value
$293.0 M

Csdn.net Website Safety

logo
Overview
Last Updated: 09/25/2022
Overall result - csdn.net 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 logo
Norton Connect Safe
Last Updated: 06/28/2022
csdn.net is safe.
Norton ConnectSafe evaluates csdn.net for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 09/25/2022
csdn.net 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 brwosing logo
Google Safe Browsing
Last Updated: 06/23/2022
csdn.net 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.
McAfee logo
Site Advisor
Last Updated: 06/23/2022
csdn.net is safe.
McAfee assesses csdn.net 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 csdn.net for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/09/2019
csdn.net child safety is very good.
The WOT calculates reputation of the csdn.net. This reputation system receives ratings from users and information from third-party sources, assesses the csdn.net for safety features and confirms, whether csdn.net is suitable for children.

SSL Information
Domain*.csdn.net
Issuer OrganizationDigiCert Inc
IssuerGeoTrust CN RSA CA G1
AlgorithmRSA-SHA256
Valid form11/03/2021
Expiration12/02/2022
SignedCertificate is not self signed
Additional Domains *.csdn.net
csdn.net

Csdn.net Hosting Information

Server Location

ASN Information

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

Last Update: 08/04/2022

% [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
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 '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
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 '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
tech-c: ZM876-AP
tech-c: ZM875-AP
import: from AS4837
action pref=100;
accept ANY
import: from AS4134
action pref=100;
accept ANY
export: to AS4837
announce AS37963
export: to AS4134
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
fax-no: +86-0571-85022600
e-mail: shuo.yus@alibaba-inc.com
e-mail: shuo.yus@aliyun-inc.com
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
fax-no: +86-0571-85022600
e-mail: anti-spam@list.alibaba-inc.com
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)

Csdn.net Domain Registration and Settings

WHOIS

Domain Name: CSDN.NET
Registry Domain ID: 4252779_DOMAIN_NET-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2021-12-02T08:57:35Z
Creation Date: 1999-03-11T05:00:00Z
Registry Expiry Date: 2023-03-11T04:00:00Z
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: 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: 2022-05-14T06:06:20Z


DNS Records
HostA RecordTTL
csdn.net39.106.226.142600
HostMX RecordPriorityTTL
csdn.netmxbiz2.qq.com10600
csdn.netmxbiz1.qq.com5600
HostNS RecordTTL
csdn.netvip4.alidns.com86400
csdn.netvip3.alidns.com86400
HostTXT RecordTTL
csdn.netgoogle-site-verification=nn4nvxbYITKfb8-tv-QWw4H7PsjTM6LGvHDeUvrw0hA60
csdn.netaliyun-site-verification=019d4b53-d811-47df-8312-695fcef366f460
csdn.netv=spf1 include:spf.mail.qq.com ~all60

vip3.alidns.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 2018022610
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum: 360

Csdn.net HTML Check

Warnings

Errors

Csdn.net Desktop Performance

Last tested: 06/12/2016

Speedometer image
Desktop Speed
46%

Desktop Resource Breakdown
Total Resources126
Number of Hosts18
Static Resources74
JavaScript Resources23
CSS Resources4

Csdn.net Mobile Insights

Last tested: 06/12/2016

Speedometer image
Mobile Usability
100%
Speedometer image
Mobile Speed
57%

Mobile Resource Breakdown
Total Resources17
Number of Hosts5
Static Resources12
JavaScript Resources4
CSS Resources1

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