有问题，上知乎。知乎是中文互联网知名知识分享平台，以「知识连接一切」为愿景，致力于构建一个人人都可以便捷接入的知识分享网络，让人们便捷地与世界分享知识、经验和见解，发现更大的世界。

4.70 Rating by hostinfo.pw

Updated 7 year 9 month ago

WHOIS DNS Server Info Registrar Server availability Web Archive Google index

IP Address: 118.89.204.100 Hosted Country: China

China

Registration Date: 2007-06-15

Traffic Report

Daily Unique Visitors:	16,350,161
Daily Pageviews:	130,801,288

Estimated Valuation

Income Per Day:	No data
Estimated Worth:	No data

Search Engine Indexes

Google Indexed Pages:	No data
Yahoo Indexed Pages:	No data
Bing Indexed Pages:	No data

Search Engine Backlinks

Google Backlinks:	No data
Bing Backlinks:	No data
Alexa BackLinks:	No data

Safety Information

Google Safe Browsing:	No Risk Issues
Siteadvisor Rating:	No data
WOT Trustworthiness:	Excellent
WOT Privacy:	Excellent
WOT Child Safety:	Excellent

Website Inpage Analysis

Total IFRAMEs:	No data
Total Images:	2
Google Adsense:	No data
Google Analytics:	No data

Website Ranks & Scores

Alexa Rank:	101
PageSpeed Score:	81 out of 100
Domain Authority:	91 out of 100

Web Server Information

Hosted IP Address:

118.89.204.100

Hosted Country:

Location Latitude:

39.9075

Location Longitude:

116.397

HTTP Header Analysis

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Content-Type: text/html; charset=utf-8
Vary: Accept-Encoding
Content-Security-Policy: default-src * blob:; img-src * data: blob:; connect-src * wss: blob:; frame-src 'self' *.zhihu.com weixin: *.vzuu.com getpocket.com note.youdao.com safari-extension://com.evernote.safari.clipper-Q79WDW8YH9 zhihujs: captcha.guard.qcloud.com; script-src 'self' blob: *.zhihu.com res.wx.qq.com 'unsafe-eval' unpkg.zhimg.com unicom.zhimg.com captcha.gtimg.com captcha.guard.qcloud.com pagead2.googlesyndication.com i.hao61.net 'nonce-c693a22e-3ae4-4c2f-89c5-eff99d9b2f70'; style-src 'self' 'unsafe-inline' *.zhihu.com unicom.zhimg.com captcha.gtimg.com
X-Content-Security-Policy: default-src * blob:; img-src * data: blob:; connect-src * wss: blob:; frame-src 'self' *.zhihu.com weixin: *.vzuu.com getpocket.com note.youdao.com safari-extension://com.evernote.safari.clipper-Q79WDW8YH9 zhihujs: captcha.guard.qcloud.com; script-src 'self' blob: *.zhihu.com res.wx.qq.com 'unsafe-eval' unpkg.zhimg.com unicom.zhimg.com captcha.gtimg.com captcha.guard.qcloud.com pagead2.googlesyndication.com i.hao61.net 'nonce-c693a22e-3ae4-4c2f-89c5-eff99d9b2f70'; style-src 'self' 'unsafe-inline' *.zhihu.com unicom.zhimg.com captcha.gtimg.com
X-WebKit-CSP: default-src * blob:; img-src * data: blob:; connect-src * wss: blob:; frame-src 'self' *.zhihu.com weixin: *.vzuu.com getpocket.com note.youdao.com safari-extension://com.evernote.safari.clipper-Q79WDW8YH9 zhihujs: captcha.guard.qcloud.com; script-src 'self' blob: *.zhihu.com res.wx.qq.com 'unsafe-eval' unpkg.zhimg.com unicom.zhimg.com captcha.gtimg.com captcha.guard.qcloud.com pagead2.googlesyndication.com i.hao61.net 'nonce-c693a22e-3ae4-4c2f-89c5-eff99d9b2f70'; style-src 'self' 'unsafe-inline' *.zhihu.com unicom.zhimg.com captcha.gtimg.com
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=15552000; includeSubDomains
Surrogate-Control: no-store
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
X-Backend-Server: heifetz.heifetz.heifetz--617-0fe39d86-4106929272-f15vc:617-0fe39d86---10.75.122.219:3000[10.75.122.219:3000]
Content-Encoding: gzip
Server: ZWS
Expires: Fri, 14 Dec 2018 21:33:05 GMT
Cache-Control: max-age=0, no-cache, no-store
Pragma: no-cache
Date: Fri, 14 Dec 2018 21:33:05 GMT
Content-Length: 10042
Connection: keep-alive

Domain Information

Domain Registrar:	GODADDY.COM, LLC
Registration Date:	2007-06-15
Last Modified:	2018-05-30

Domain Nameserver Information

Host		IP Address	Country
ns3.dnsv5.com		162.62.220.22	United States
ns4.dnsv5.com		162.62.177.136	United States

DNS Record Analysis

Type	TTL	Extra
A	95	IP: 118.89.204.100
A	95	IP: 118.89.204.109
NS	3575	Target: ns3.dnsv5.com
NS	3575	Target: ns4.dnsv5.com
SOA	600	MNAME: ns3.dnsv5.com RNAME: enterprise3dnsadmin.dnspod.com Serial: 1544688762 Refresh: 3600 Retry: 180 Expire: 1209600
MX	3600	Priority: 10 Target: ASPMX2.GOOGLEMAIL.com
MX	3600	Priority: 10 Target: ASPMX3.GOOGLEMAIL.com
MX	3600	Priority: 10 Target: ASPMX5.GOOGLEMAIL.com
MX	3600	Priority: 10 Target: ASPMX4.GOOGLEMAIL.com
MX	3600	Priority: 5 Target: ALT1.ASPMX.L.GOOGLE.com
MX	3600	Priority: 1 Target: ASPMX.L.GOOGLE.com
MX	3600	Priority: 5 Target: ALT2.ASPMX.L.GOOGLE.com
TXT	3600	TXT: v=spf1 include:_spf.google.com -all
TXT	600	TXT: v=spf1 include:_spf.google.com include:cust-spf.edmspher e.com -all

Full WHOIS Lookup

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: 2018-12-14T21:33:20Z

Meta Description of zhihu.com

有问题，上知乎。知乎是中文互联网知名知识分享平台，以「知识连接一切」为愿景，致力于构建一个人人都可以便捷接入的知识分享网络，让人们便捷地与世界分享知识、经验和见解，发现更大的世界。