Zhihu.com 知乎 - 有问题,上知乎

有问题,上知乎。知乎,可信赖的问答社区,以让每个人高效获得可信赖的解答为使命。知乎凭借认真、专业和友善的社区氛围,结构化、易获得的优质内容,基于问答的内容生产方式和独特的社区机制,吸引、聚集了各行各业中大量的亲历者、内行人、领域专家、领域爱好者,将高质量的内容透过人的节点来成规模地生产和分享。用户通...

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 12/05/2019

Zhihu.com traffic estimate is about 1,942,711 unique visitors and 6,682,926 pageviews per day. The approximated value of zhihu.com is 87,814,620 USD. Every unique visitor makes about 3.44 pageviews on average.

Alexa Traffic Rank estimates that zhihu.com is ranked number 16 in the world, while most of its traffic comes from China, where it occupies as high as 24 place.

It’s good for zhihu.com that their hostingcompany CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, 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-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN.

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

During the last check (November 28, 2019) zhihu.com has a valid and up-to-date wildcard SSL certificate issued by DigiCert Inc that expires on December 24, 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 zhihu.com is pretty a safe domain.

Relying on Google Mobile-Friendly test zhihu.com is well optimized for mobile and tablet devices.

Global Rank
103
Average Load Time
1.61sec
Links In Count
4,577
Website Value
$87.8 M
Overview
Last Updated: 12/05/2019
Overall result - zhihu.com 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: 01/12/2019
zhihu.com is safe.
Norton ConnectSafe evaluates zhihu.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 12/05/2019
zhihu.com 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: 02/18/2019
zhihu.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: 01/09/2019
zhihu.com is safe.
McAfee assesses zhihu.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 zhihu.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
zhihu.com child safety is very good.
The WOT calculates reputation of the zhihu.com. This reputation system receives ratings from users and information from third-party sources, assesses the zhihu.com for safety features and confirms, whether zhihu.com is suitable for children.

SSL Information
Domain *.zhihu.com
Issuer Organization DigiCert Inc
Issuer GeoTrust RSA CA 2018
Algorithm RSA-SHA256
Valid form 12/25/2017
Expiration 12/24/2020
Signed Certificate is not self signed
Additional Domains *.zhihu.com
zhihu.com
Server Location

ASN Information

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

Last Update: 12/25/2018

% [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
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phone: +61 7 3858 3100
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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
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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: ZHIHU.COM
Registry Domain ID: 1030643753_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2018-05-30T06:12:21Z
Creation Date: 2007-06-15T17:28:11Z
Registry Expiry Date: 2023-09-29T11:59:59Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS3.DNSV5.COM
Name Server: NS4.DNSV5.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2018-11-08T12:41:31Z


DNS Records
HostA RecordTTL
zhihu.com118.89.204.192120
zhihu.com118.89.204.190120
HostMX RecordPriorityTTL
zhihu.comASPMX2.GOOGLEMAIL.COM103600
zhihu.comASPMX3.GOOGLEMAIL.COM103600
zhihu.comASPMX4.GOOGLEMAIL.COM103600
zhihu.comASPMX5.GOOGLEMAIL.COM103600
zhihu.comASPMX.L.GOOGLE.COM13600
zhihu.comALT1.ASPMX.L.GOOGLE.COM53600
zhihu.comALT2.ASPMX.L.GOOGLE.COM53600
HostNS RecordTTL
zhihu.comns4.dnsv5.com86400
zhihu.comns3.dnsv5.com86400
HostTXT RecordTTL
zhihu.comm5g7qjk31l5d1hkq6m3zvcf6lg2f0h16600
zhihu.comv=spf1 include:_spf.google.com -all3600
zhihu.comv=spf1 include:_spf.google.com include:cust-spf.edmsphere.com -all600

ns3.dnsv5.com
TTL: 600
Email address: enterprise3dnsadmin.dnspod.com
Serial: 1564763161
Refresh: 3600
Retry: 180
Expire: 1209600
Minimum: 180


Errors
Warnings

Last tested: 12/21/2016

Desktop
Desktop Speed
84%

Desktop Resource Breakdown
Total Resources21
Number of Hosts6
Static Resources10
JavaScript Resources9
CSS Resources1

Last tested: 12/21/2016

Mobile
Mobile Usability
100%
Mobile Speed
70%

Mobile Resource Breakdown
Total Resources21
Number of Hosts6
Static Resources10
JavaScript Resources8
CSS Resources1
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