52opencourse.com valuation and analysis

Robots.txt Information
Robot Path Permission
GoogleBot /
BingBot /
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Meta Tags
Title 我爱公开课
Description 为中国学生提供一个开放、免费、高质量以及世界级的公开课中文分享与交流平台。
Keywords N/A
Server Information
WebSite 52opencourse favicon www.52opencourse.com
Host IP 47.52.131.151
Location Hong Kong
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52opencourse.com Valuation
US$1,824
Last updated: Dec 17, 2019

52opencourse.com has global traffic rank of 27,463,331. 52opencourse.com has an estimated worth of US$ 1,824, based on its estimated Ads revenue. 52opencourse.com receives approximately 111 unique visitors each day. Its web server is located in Hong Kong, with IP address 47.52.131.151. According to SiteAdvisor, 52opencourse.com is safe to visit.

Traffic & Worth Estimates
Purchase/Sale Value US$1,824
Daily Ads Revenue US$0
Monthly Ads Revenue US$29
Yearly Ads Revenue US$364
Daily Unique Visitors 111
Note: All traffic and earnings values are estimates.
Traffic Ranks
Global Rank 27,463,331
Delta (90 Days) 0
Most Popular In Country N/A
Country Rank N/A
DNS Records
Host Type TTL Data
52opencourse.com A 599 IP: 47.52.131.151
52opencourse.com NS 21599 Target: f1g1ns1.dnspod.net.
52opencourse.com NS 21599 Target: f1g1ns2.dnspod.net.
52opencourse.com SOA 599 MNAME: f1g1ns1.dnspod.net.
RNAME: freednsadmin.dnspod.com.
Serial: 1550049574
Refresh: 3600
Retry: 180
Expire: 1209600
Minimum TTL: 180
HTTP Headers
HTTP/1.1 200 OK
Server: nginx
Date: Tue, 17 Dec 2019 07:08:23 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Powered-By: PHP/5.6.31
Set-Cookie: PHPSESSID=91em9g2oghqf4gshjhtt9t8926; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding

52opencourse.com Whois Information
   Domain Name: 52OPENCOURSE.COM
   Registry Domain ID: 1712082999_DOMAIN_COM-VRSN
   Registrar WHOIS Server: whois.godaddy.com
   Registrar URL: http://www.godaddy.com
   Updated Date: 2018-03-29T03:15:14Z
   Creation Date: 2012-04-08T15:25:40Z
   Registry Expiry Date: 2020-04-08T15:25:40Z
   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: F1G1NS1.DNSPOD.NET
   Name Server: F1G1NS2.DNSPOD.NET
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/

Domain Name: 52OPENCOURSE.COM
Registry Domain ID: 1712082999_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2018-03-29T03:15:13Z
Creation Date: 2012-04-08T15:25:40Z
Registrar Registration Expiration Date: 2020-04-08T15:25:40Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientTransferProhibited http://www.icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited http://www.icann.org/epp#clientUpdateProhibited
Domain Status: clientRenewProhibited http://www.icann.org/epp#clientRenewProhibited
Domain Status: clientDeleteProhibited http://www.icann.org/epp#clientDeleteProhibited
Registrant Organization: 
Registrant State/Province: Bei Jing
Registrant Country: CN
Registrant Email: Select Contact Domain Holder link at https://www.godaddy.com/whois/results.aspx?domain=52OPENCOURSE.COM
Admin Email: Select Contact Domain Holder link at https://www.godaddy.com/whois/results.aspx?domain=52OPENCOURSE.COM
Tech Email: Select Contact Domain Holder link at https://www.godaddy.com/whois/results.aspx?domain=52OPENCOURSE.COM
Name Server: F1G1NS1.DNSPOD.NET
Name Server: F1G1NS2.DNSPOD.NET
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/