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
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.35 sec.
Last Checked: 12/07/2021

Zhihu.com traffic volume is 1,530,068 unique daily visitors and their 4,636,106 pageviews. The web value rate of zhihu.com is 60,921,113 USD. Each visitor makes around 3.24 page views on average.

By Alexa's traffic estimates zhihu.com placed at 6 position over the world, while the largest amount of its visitors comes from China, where it takes 44 place.

Perfect for zhihu.com that their data center (provided by company company CLOUDMIND Beijing Cloud Mind Technologies Co., Ltd, CN) is located in China, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by CLOUDMIND Beijing Cloud Mind Technologies Co., Ltd, CN.

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

The last verification results, performed on (November 28, 2019) zhihu.com show that zhihu.com has an expired wildcard SSL certificate issued by DigiCert Inc (expired on December 24, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of 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 Google MobileFriendly test 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: 12/07/2021
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: 12/07/2021
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: 08/11/2020
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: 02/22/2021
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 OrganizationDigiCert Inc
IssuerGeoTrust RSA CA 2018
AlgorithmRSA-SHA256
Valid form12/25/2017
Expiration12/24/2020
SignedCertificate is not self signed
Additional Domains *.zhihu.com
zhihu.com
Server Location

ASN Information

ASN ID: 131574
ASN Title: CLOUDMIND Beijing Cloud Mind Technologies Co., Ltd, CN

Last Update: 06/03/2021

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

% Information related to 'AS131072 - AS132095'

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% Information related to 'AS131481 - AS131580'

as-block: AS131481 - AS131580
descr: China Internet Network Information Center
country: CN
remarks: These AS numbers are further assigned by
remarks: CNNIC to CNNIC members and end-users
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role: APNIC Hostmaster
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address: South Brisbane
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last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS131574'

% Abuse contact for 'AS131574' is 'ipas@cnnic.cn'

aut-num: AS131574
as-name: cloudmind
descr: Beijing Cloud Mind Technologies Co., Ltd
descr: #601,Block4A,District Postmodern City,N0.16 BaiZiWan Road,
descr: Chaoyang District, Beijing 100022, P.R.China
admin-c: ML2272-AP
tech-c: BW861-AP
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last-modified: 2020-03-30T23:14:02Z
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: Xiaobo Ma
address: #601,Block4A,District Postmodern City,N0.16 BaiZiWan Road,Chaoyang District, Beijing 100022, P.R.China
country: CN
phone: +86-010-87747760-810
e-mail: Martin@hiddos.cn
nic-hdl: BW861-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2020-08-13T01:48:03Z
source: APNIC

person: Shixiao Xu
address: #601,Block4A,District Postmodern City,N0.16 BaiZiWan Road,Chaoyang District, Beijing 100022, P.R.China
country: CN
phone: +86-010-87747760-818
e-mail: xsx@hiddos.cn
nic-hdl: ML2272-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2020-08-13T01:48:03Z
source: APNIC

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

WHOIS

Domain Name: ZHIHU.COM
Registry Domain ID: 1030643753_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dnspod.cn
Registrar URL: http://www.dnspod.cn
Updated Date: 2020-08-17T07:35:27Z
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: 2021-04-22T12:48:55Z


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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