Csdn.net CSDN-专业IT技术社区

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 10.41 sec.
Last Checked: 10/28/2019

Csdn.net traffic estimate is about 3,763,589 unique visitors and 18,554,494 pageviews per day. The approximated value of csdn.net is 243,799,560 USD. Every unique visitor makes about 4.93 pageviews on average.

Alexa Traffic Rank estimates that csdn.net is ranked number 16 in the world, while most of its traffic comes from China, where it occupies as high as 14 place.

It’s good for csdn.net that their hostingcompany CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CNis located in China, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN.

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

During the last check (November 11, 2019) csdn.net has a valid and up-to-date wildcard SSL certificate issued by DigiCert Inc that expires on November 06, 2020, please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by DigiCert Inc.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust csdn.net is pretty a safe domain.

Relying on Google Mobile-Friendly test csdn.net is well optimized for mobile and tablet devices, however website page loading time may be improved.

Global Rank
37
Average Load Time
3.96sec
Links In Count
13,482
Website Value
$243.8 M
Overview
Last Updated: 11/14/2019
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: 01/12/2019
NCS "csdn.net" OK.

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: 11/14/2019
GSS "csdn.net" OK.

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: 02/18/2019
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: 01/09/2019
SA "csdn.net" OK.

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
WOT "csdn.net" 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 Organization DigiCert Inc
Issuer GeoTrust RSA CA 2018
Algorithm RSA-SHA256
Valid form 11/07/2018
Expiration 11/06/2020
Signed Certificate is not self signed
Additional Domains *.csdn.net
csdn.net
Server Location

ASN Information

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

Last Update: 12/25/2018

% [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)

WHOIS

Domain Name: CSDN.NET
Registry Domain ID: 4252779_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2017-03-10T00:52:46Z
Creation Date: 1999-03-11T05:00:00Z
Registry Expiry Date: 2020-03-11T04:00:00Z
Registrar: Network Solutions, LLC.
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS3.DNSV3.COM
Name Server: NS4.DNSV3.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2018-11-08T12:43:18Z


DNS Records
HostA RecordTTL
csdn.net47.95.164.112200
HostMX RecordPriorityTTL
csdn.netmxbiz2.qq.com10600
csdn.netmxbiz1.qq.com5600
HostNS RecordTTL
csdn.netvip4.alidns.com86400
csdn.netvip3.alidns.com86400
HostTXT RecordTTL
csdn.netaliyun-site-verification=019d4b53-d811-47df-8312-695fcef366f4600
csdn.netv=spf1 include:spf.mail.qq.com ~all600

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


Errors
Warnings

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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