Favicon of cdann.net Christoph Dann


Christoph Dann, PhD Student Machine Learning

About Cdann.net

Cdann.net has a global Alexa ranking of 18,532,781. The website server is using IP address and is hosted in Germany. The Google page rank of this website is -/10. The website's home page has 79 out-going links. The website taken by HETZNER ONLINE GMBH for - on 02-22-2015. Further informations is provided bellow.

Last Updated: 6 months ago

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Site Overview

Screenshot of www.cdann.net
Host cdann.net
Ip Address
Country Germany
Domain Age 1
Created Date: 22-02-2015
Updated Date: 23-02-2016
Expired Date: 22-02-2017
Server Apache/2.4.7 (Ubuntu)
Alexa Rank 18532781
Page Rank Google Pagerank of cdann.net
Page Speed 86%
Google Analytic ID UA-32978747-1

Domain Info

Cdann.net 1 years old and has net extension. TLD may be using diffrent purposes. Example: .com extension inherited from "commercial" and uses for generally commercial activities, .net extension inherited from "network" and uses for generally internet activites etc. Its SLD length is equal to 5. SLD length is important for human-readable and brand-friendly and seo-friendly. It must be less than 10 and meaningful that you are/will working on activites.

Domain Age 1 years old
TLD (Top Level Domain) net
SLD (Second Level Domain) cdann
SLD Length 5

Whois Info

Cdann.net registered by HETZNER ONLINE GMBH for - on 02-22-2015. - renewed on 02-23-2016 until 02-22-2017.

Important Dates
Registered On 02-22-2015
Exprires On 02-22-2017
Updated On 02-23-2016
Registrar Info
Registrar Url -
Registrar Organization -

Raw Whois Data

Whois Server Version 2.0

Domain names in the .com and .net domains can now be registered
with many different competing registrars. Go to http://www.internic.net
for detailed information.

   Domain Name: CDANN.NET
   Sponsoring Registrar IANA ID: 828
   Whois Server: whois.your-server.de
   Referral URL: http://www.hetzner.de
   Name Server: NS1.FIRST-NS.DE
   Status: ok https://icann.org/epp#ok
   Updated Date: 23-feb-2016
   Creation Date: 22-feb-2015
   Expiration Date: 22-feb-2017

>>> Last update of whois database: Fri, 23 Sep 2016 04:05:47 GMT <<<

For more information on Whois status codes, please visit https://icann.org/epp

NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
date of the domain name registrant's agreement with the sponsoring
registrar.  Users may consult the sponsoring registrar's Whois database to
view the registrar's reported date of expiration for this registration.

TERMS OF USE: You are not authorized to access or query our Whois
database through the use of electronic processes that are high-volume and
automated except as reasonably necessary to register domain names or
modify existing registrations; the Data in VeriSign Global Registry
Services' ("VeriSign") Whois database is provided by VeriSign for
information purposes only, and to assist persons in obtaining information
about or related to a domain name registration record. VeriSign does not
guarantee its accuracy. By submitting a Whois query, you agree to abide
by the following terms of use: You agree that you may use this Data only
for lawful purposes and that under no circumstances will you use this Data
to: (1) allow, enable, or otherwise support the transmission of mass
unsolicited, commercial advertising or solicitations via e-mail, telephone,
or facsimile; or (2) enable high volume, automated, electronic processes
that apply to VeriSign (or its computer systems). The compilation,
repackaging, dissemination or other use of this Data is expressly
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use electronic processes that are automated and high-volume to access or
query the Whois database except as reasonably necessary to register
domain names or modify existing registrations. VeriSign reserves the right
to restrict your access to the Whois database in its sole discretion to ensure
operational stability.  VeriSign may restrict or terminate your access to the
Whois database for failure to abide by these terms of use. VeriSign
reserves the right to modify these terms at any time.

The Registry database contains ONLY .COM, .NET, .EDU domains and

Domain Name: cdann.net
Registry Domain ID: 1904670896_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.your-server.de
Registrar URL: http://www.hetzner.de/
Updated Date: 2016-02-23T08:07:44.0Z
Creation Date: 2015-02-22T06:27:29.0Z
Registrar Registration Expiration Date: 2017-02-22T06:27:29.0Z
Registrar: Hetzner Online GmbH
Registrar IANA ID: 828
Registrar Abuse Contact Email: abuse@hetzner.de
Registrar Abuse Contact Phone: +49.98315050
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: Not Available From Registry
Registrant Name: Christoph Dann
Registrant Organization: 
Registrant Street: Hauptstrasse 181
Registrant City: Weibersbrunn
Registrant State/Province: 
Registrant Postal Code: 63879
Registrant Country: DE
Registrant Phone: +49.6094353
Registrant Phone Ext: 
Registrant Fax: 
Registrant Fax Ext: 
Registrant Email: cdann@cdann.de
Registry Admin ID: Not Available From Registry
Admin Name: Christoph Dann
Admin Organization: 
Admin Street: Hauptstrasse 181
Admin City: Weibersbrunn
Admin State/Province: 
Admin Postal Code: 63879
Admin Country: DE
Admin Phone: +49.6094353
Admin Phone Ext: 
Admin Fax: 
Admin Fax Ext: 
Admin Email: cdann@cdann.de
Registry Tech ID: Not Available From Registry
Tech Name: Christoph Dann
Tech Organization: 
Tech Street: Hauptstrasse 181
Tech City: Weibersbrunn
Tech Postal Code: 63879
Tech State/Province: 
Tech Country: DE
Tech Phone: +49.6094353
Tech Phone Ext: 
Tech Fax: 
Tech Fax Ext: 
Tech Email: cdann@cdann.de
Registry Billing ID: Not Available From Registry
Billing Name: Christoph Dann
Billing Organization: 
Billing Street: Hauptstrasse 181
Billing City: Weibersbrunn
Billing State/Province: 
Billing Postal Code: 63879
Billing Country: DE
Billing Phone: +49.6094353
Billing Phone Ext: 
Billing Fax: 
Billing Fax Ext: 
Billing Email: cdann@cdann.de
Name Server: ns1.first-ns.de 
Name Server: robotns2.second-ns.de 
Name Server: robotns3.second-ns.com 
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: https://wdprs.internic.net/
>>> Last update of WHOIS database: 2016-09-23T04:06:03.0Z <<<

For more information on Whois status codes, please visit https://www.icann.org/epp

Please register your domains at; http://www.hetzner.de/
This data is provided by 
for information purposes, and to assist persons obtaining information
about or related to domain name registration records.
 does not guarantee its accuracy.
By submitting a WHOIS query, you agree that you will use this data
only for lawful purposes and that, under no circumstances, you will
use this data to
1) allow, enable, or otherwise support the transmission of mass
   unsolicited, commercial advertising or solicitations via E-mail
   (spam) or
2) enable high volume, automated, electronic processes that apply
   to this WHOIS server.
These terms may be changed without prior notice.
By submitting this query, you agree to abide by this policy.

GeoIP Info

Cdann.net serves on -, Germany and establish connection to the internet via Hetzner Online GmbH Internet Service Provider (ISP)

Latitude 51.2993 Longitude 9.491
City - Country Germany
Country Code DE Region -
Region Code - Postal Code -
ISP Hetzner Online GmbH Timezone Europe/Berlin

DNS Info

A record assigned to

Host Type TTL Class Other
cdann.net. SOA 86399 IN ns1.first-ns.de. postmaster.robot.first-ns.de. 2016070800 14400 1800 604800 86400
cdann.net. NS 86399 IN robotns3.second-ns.com.
cdann.net. NS 86399 IN robotns2.second-ns.de.
cdann.net. NS 86399 IN ns1.first-ns.de.
cdann.net. A 86399 IN
cdann.net. AAAA 86399 IN 2a01:4f8:171:1e07::5
cdann.net. MX 86399 IN 10 mail.cdann.net.
cdann.net. TXT 86399 IN "v=spf1 mx a -all"

HTTP Header

Status-Code: 200
Response Time: 538
Date Sun, 22 Jan 2017 15:40:26 GMT
Server Apache/2.4.7 (Ubuntu)
Last-Modified Sat, 14 Jan 2017 18:16:22 GMT
ETag "571d-54611f2a2f42e-gzip"
Accept-Ranges bytes
Vary Accept-Encoding
Content-Encoding gzip
Keep-Alive timeout=5, max=100
Connection Keep-Alive
Content-Type text/html

Html Elements

Html tags of cdann.net is listed bellow.

Html Element % Used
a 38 92
br 14 34
i 14 32
li 10 22
div 9 20
h4 5 11
em 5 10
h1 2 4
section 2 4
small 2 4
ul 2 4
script 2 4
span 1 1
p 1 1
img 1 1


Html Heading used tags of 40aprons.com is listed bellow.

Christoph Dann
Publications and Preprints
to appear Automated Matching of Pipeline Corrosion Features from In-line Inspection Data
Memory Lens - How Much Memory Does an Agent Use?
Energetic Natural Gradient Descent
Bayesian Time-of-Flight for Realtime Shape, Illumination and Albedo
Sample Complexity of Episodic Fixed-Horizon Reinforcement Learning
The Human Kernel
Thoughts on Massively Scalable Gaussian Processes
RLPy: A Value-Function-Based Reinforcement Learning Framework for Education and Research
Policy Evaluation with Temporal Differences: A Survey and Comparison
Off-Policy Learning Combined with Automatic Feature Expansion for Solving Large MDPs
Pottics - The Potts Topic Model for Semantic Image Segmentation

Speed Analysis

User behaviors change everyday. And users aren't patience on the internet. At this point page speed gaining importance. Your pages loading time must be less than 3-5 seconds and response time must be less than or equals 200ms.

cdann.net opens slow with 538 ms response time.

Resource Analysis

The bellow graphic illustrates resource sizes the home page of cdann.net. As you can see, Html size is 21.8KB and Text size is 4.4KB. This ratios are important for SEO. Text ratio grather than Html Ratio indicates a quality content to Search Engines and a ranking signal.

HTML size 21.8KB
Image resources size 13.9KB
CSS resources size 77.6KB
JS resources size 64.0KB
Number of image resources 2
Number of css resources 1
Number of js resources 3