Create a virtual classroom with blogs. 21Classes provides powerful and secure services to get your students safely blogging.

3.20 Rating by ClearWebStats
21classes.com is 1 decade 9 years 5 days old. This website has a #3,905,761 rank in global traffic. It has a com as an domain extension. This website has a Google PageRank of 4 out of 10. The DNS for 21classes is hosted at 78.46.60.152. While no active threats were reported recently by users, 21classes.com is SAFE to browse.
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Traffic Report of 21classes

Daily Unique Visitors: 123
Daily Pageviews: 246

Estimated Valuation

Income Per Day: $ 1.00
Estimated Worth: $ 240.00

Search Engine Indexes

Google Indexed Pages: Not Applicable
Yahoo Indexed Pages: Not Applicable
Bing Indexed Pages: Not Applicable

Search Engine Backlinks

Google Backlinks: Not Applicable
Bing Backlinks: Not Applicable

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: Not Applicable
WOT Trustworthiness: Not Applicable
WOT Privacy: Not Applicable
WOT Child Safety: Not Applicable

Website Ranks & Scores

Google Pagerank: View 21classes.com Pagerank
Alexa Rank: 3,905,761
Domain Authority: 52 ON 100
Google Pagerank
PR 4 out of 10
PageSpeed Score
Score: 71on 100
Siteadvisor Rating
View 21classes.com site advisor rating Not Applicable

Where is 21classes.com server located?

Hosted IP Address:

78.46.60.152 View other site hosted with 21classes.com

Hosted Country:

21classes.com hosted country DE 21classes.com hosted country

Location Latitude:

49.4478

Location Longitude:

11.0683

Social Engagement

Facebook Shares: 15
Facebook Likes: 4
Facebook Comments: Not Applicable

Page Resources Breakdown

View 21classes.com HTML resources

Homepage Links Analysis

University, classroom and teacher blogs | 21Classes - Classroom and Education Blogs

Similar Domain Names

These are similar domain names that may be used for typosquatting or phishing attacks. Always verify the URL before entering any sensitive information.

  • 21classes.co
  • 21classes.cm
  • 21classes.con
  • 21classes.net
  • 21classes.org
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  • 1classes.com
  • 2classes.com

Website Inpage Analysis

H1 Headings: 1 H2 Headings: 6
H3 Headings: Not Applicable H4 Headings: Not Applicable
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: Not Applicable Total Images: 5
Google Adsense: Not Applicable Google Analytics: UA-2056211-7

HTTP Header Analysis

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Date: Fri, 28 Feb 2014 07:53:26 GMT
Server: Jetty(9.0.5.v20130815)
Content-Type: text/html
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Last-Modified: Thu, 01 Jan 1970 00:00:00 UTC
X-Powered-By: 21Publish Weblog Server
Via: 1.1 static.152.60.46.78.clients.your-server.de
X-FRAME-OPTIONS: SAMEORIGIN
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 2881

Domain Information for 21classes.com

Domain Registrar: MESH DIGITAL LIMITED 21classes.com registrar info
Registration Date: 2007-02-19 1 decade 9 years 5 days ago
Last Modified: 2014-02-18 1 decade 2 years 4 days ago
Expiration Date: 2015-02-19 1 decade 1 year 2 days ago
Domain Status:
  • clientDeleteProhibited
  • clientTransferProhibited
  • clientUpdateProhibited

Domain Nameserver Information

Host IP Address Country
ns1.hans.hosteurope.de 21classes.com name server information 217.115.143.140 21classes.com server is located in Germany Germany
ns2.hans.hosteurope.de 21classes.com name server information 80.237.128.10 21classes.com server is located in Germany Germany

DNS Record Analysis

Host Type TTL Extra
21classes.com A 86373 IP:78.46.60.152
21classes.com NS 259200 Target:ns1.hans.hosteurope.de
21classes.com NS 259200 Target:ns2.hans.hosteurope.de
21classes.com SOA 2560 MNAME:ns1.hans.hosteurope.de
RNAME:hostmaster.21classes.com
Serial:2013121009
Refresh:16384
Retry:2048
Expire:1048576
Minimum TTL:2560
21classes.com MX 86400 Priority:50
Target:mail.21publish.com

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View 21classes.com Pagerank   Alexa rank for 21classes.com 3,905,816   website value of 21classes.com $ 240.00