Csdn.net CSDN-专业IT技术社区

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.79 sec.
Last Checked: 02/16/2023

Over the time csdn.net has been ranked as high as 12 in the world, while most of its traffic comes from China, where it reached as high as 8 position.

Csdn.net receives about 5,700,238 unique visitors and 25,537,066 pageviews per day. The estimated value of csdn.net is 335,556,180 USD. Each unique visitor makes about 4.48 pageviews on average.

Csdn.net is registered under .NET top-level domain. Check other websites in .NET zone.

At the time of the last check (January 11, 2022) csdn.net has an expired wildcard SSL certificate issued by DigiCert Inc (expired on December 02, 2022). Check other websites using SSL certificates issued by DigiCert Inc.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust csdn.net is quite a safe domain.

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


Global Rank
27
Average Load Time
1.56sec
Links In Count
10,648
Website Value
$335.6 M

Overview
Last Updated: 02/28/2024
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
Last Updated: 06/28/2023
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 Safe Search
Last Updated: 02/28/2024
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 Browsing
Last Updated: 06/23/2022
Malware not found at "csdn.net".
"csdn.net" is not a phishing page.
"csdn.net" does not install unwanted software.
"csdn.net" 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: 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
Last Updated: 01/09/2019
csdn.net child safety isvery 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
Issuer GeoTrust CN RSA CA G1
Algorithm RSA-SHA256
Valid form 11/03/2021
Expiration 12/02/2022
SignedCertificate is not self signed
Additional Domains *.csdn.net
csdn.net
Server Location
Hangzhou
Zhejiang
China
ASN Information

Last Update: 01/16/2024

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

% Information related to 'AS55296 - AS56319'

as-block: AS55296 - AS56319
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: 2009-09-03T01:15:30Z
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 'AS55956 - AS56015'

as-block: AS55956 - AS56015
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: 2010-12-23T23:34:45Z
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 'AS55990'

% Abuse contact for 'AS55990' is 'ipas@cnnic.cn'

aut-num: AS55990
as-name: HWCSNET
descr: Huawei Cloud Service data center
country: CN
admin-c: NZ158-AP
tech-c: MH1129-AP
notify: ipas@cnnic.net.cn
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2012-10-09T06:34:01Z
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: Mingliang Hao
nic-hdl: MH1129-AP
e-mail: mingliang.hao@huawei.com
address: 10/F, Xinsheng Tower, 5 Financial Street,
address: Xincheng District,Beijing,100140 P.R.China
phone: +86-18618305900
fax-no: +86-10-63762415
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2012-10-09T05:34:02Z
source: APNIC

person: Nina Zhao
nic-hdl: NZ158-AP
e-mail: zhaocaina@huawei.com
address: 10/F, Xinsheng Tower, 5 Financial Street,
address: Xincheng District,Beijing,100140 P.R.China
phone: +86-18601351719
fax-no: +86-10-63762415
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2012-10-09T05:34:02Z
source: APNIC

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

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

Warnings
Errors

Last tested: 06/12/2016

Desktop
Desktop Speed
46%
Desktop Resource Breakdown
Total Resources126
Number of Hosts18
Static Resources74
JavaScript Resources23
CSS Resources4

Last tested: 06/12/2016

Mobile
Mobile Usability
100%
Mobile Speed
57%
Mobile Resource Breakdown
Total Resources17
Number of Hosts5
Static Resources12
JavaScript Resources4
CSS Resources1
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