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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: 07/19/2020

Over the time zhihu.com has been ranked as high as 16 in the world, while most of its traffic comes from China, where it reached as high as 44 position.

Zhihu.com receives about 1,429,970 unique visitors and 4,332,809 pageviews per day. The estimated value of zhihu.com is 56,935,620 USD. Each unique visitor makes about 3.03 pageviews on average.

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

At the time of 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. Check other websites using SSL certificates issued by DigiCert Inc.

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

Mobile-Friendly test indicates that zhihu.com is well optimized for mobile and tablet devices.

Global Rank
159
Average Load Time
1.28sec
Links In Count
3,745
Website Value
$56.9 M
Overview
Last Updated: 08/06/2020
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: 08/06/2020
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
Malware not found at "zhihu.com".
"zhihu.com" is not a phishing page.
"zhihu.com" does not install unwanted software.
"zhihu.com" 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: 02/22/2020
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 isvery 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 OrganizationDigiCert Inc
Issuer GeoTrust RSA CA 2018
Algorithm RSA-SHA256
Valid form 12/25/2017
Expiration 12/24/2020
SignedCertificate is not self signed
Additional Domains *.zhihu.com
zhihu.com
Server Location
Beijing
Beijing
China
ASN Information

Last Update: 03/05/2020

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

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
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: 2008-09-04T06:40:26Z
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 'AS4837'

% Abuse contact for 'AS4837' is 'hqs-ipabuse@chinaunicom.cn'

aut-num: AS4837
as-name: CHINA169-Backbone
descr: CHINA UNICOM China169 Backbone
country: CN
member-of: AS4837:AS-CNCGROUP
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export: to AS4814
announce AS4837
export: to AS17816
announce AS4837
admin-c: CH444-AP
tech-c: CH444-AP
mnt-routes: MAINT-CNCGROUP-RR
mnt-by: MAINT-CNCGROUP-RR
mnt-irt: IRT-CU-CN
last-modified: 2017-08-28T02:14:10Z
source: APNIC

irt: IRT-CU-CN
address: No.21,Financial Street
address: Beijing,100033
address: P.R.China
e-mail: hqs-ipabuse@chinaunicom.cn
abuse-mailbox: hqs-ipabuse@chinaunicom.cn
admin-c: CH1302-AP
tech-c: CH1302-AP
auth: # Filtered
mnt-by: MAINT-CNCGROUP
last-modified: 2017-10-23T05:59:13Z
source: APNIC

person: CNCGroup Hostmaster
nic-hdl: CH444-AP
e-mail: hqs-ipabuse@chinaunicom.cn
address: No.21,Financial Street
address: Beijing,100033,P.R.China
phone: +86-10-66259764
fax-no: +86-10-66259764
country: CN
mnt-by: MAINT-CN-CUCGROUP
last-modified: 2017-09-05T06:36:14Z
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.dnspod.com
Registrar URL: http://www.dnspod.cn
Updated Date: 2019-09-16T04:59:32Z
Creation Date: 2007-06-15T17:28:11Z
Registry Expiry Date: 2024-09-29T11:59:59Z
Registrar: DNSPod, Inc.
Registrar IANA ID: 1697
Registrar Abuse Contact Email: abuse@dnspod.com
Registrar Abuse Contact Phone: +86.95716
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: 2020-04-03T23:52:30Z

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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