Ddb.de Deutsche Digitale Bibliothek - Kultur und Wissen online

Die Deutsche Digitale Bibliothek ist das zentrale Portal für Kultur und Wissen. Sie macht das kulturelle Erbe der Bundesrepublik über das Internet zug...

Ddb.de Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 11/06/2024

Ddb.de traffic estimate is about 47,450 unique visitors and 284,700 pageviews per day. The approximated value of ddb.de is 409,680 USD. Every unique visitor makes about 6 pageviews on average.

ddb.de is hosted by FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH. See the list of other websites hosted by FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH.

Ddb.de is registered under .DE top-level domain. Check other websites in .DE zone.

During the last check (April 12, 2020) ddb.de has an expired SSL certificate issued by Verein zur Foerderung eines Deutschen Forschungsnetzes e. V. (expired on December 01, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Verein zur Foerderung eines Deutschen Forschungsnetzes e. V..

In accordance with Google Safe Browsing, Symantec and Web of Trust ddb.de is pretty a safe domain.

Relying on Google Mobile-Friendly test ddb.de isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Ddb.de General Information

Information not available

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Ddb.de Safety Information

Rankchart Summary

Unknown

Updated: 11/06/2024

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

Safe

Updated: 12/21/2023

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Not Checked

Updated: 11/06/2024

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 10/01/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 11/20/2020

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McAfee assesses ddb.de 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 ddb.de for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 09/28/2019

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The WOT calculates reputation of the ddb.de. This reputation system receives ratings from users and information from third-party sources, assesses the ddb.de for safety features and confirms, whether ddb.de is suitable for children.

Ddb.de SSL Information

Information about SSL/TLS certificates

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Domain	ddb.de
Issuer Organization	Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.
Issuer	DFN-Verein Global Issuing CA
Algorithm	RSA-SHA256
Valid form	08/30/2018
Expiration	12/01/2020
Signed	Certificate is not self signed
Additional Domains	ddb.de

SSL Checker

Ddb.de Server Information

Ddb.de Server Location

Where website hosting server is located?

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Ddb.de ASN Information

Information about IP address owner

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ASN ID: 13040

ASN Title: FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH

Updated: 04/20/2024

Raw ASN data:

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS12557 - AS13223'

as-block: AS12557 - AS13223
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2010-05-11T11:45:03Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS13040'

% Abuse contact for 'AS13040' is 'netadmin@fiz-karlsruhe.de'

aut-num: AS13040
as-name: ASN-FIZ
org: ORG-FKF1-RIPE
sponsoring-org: ORG-TTG2-RIPE
import: from AS12843 action pref=100; accept ANY
import: from AS680 action pref=100; accept ANY
export: to AS12843 announce AS13040
export: to AS680 announce AS13040
admin-c: CKL55-RIPE
admin-c: LHE12
tech-c: CKL55-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: FIZ-MNT
created: 2001-09-26T09:35:23Z
last-modified: 2018-04-04T10:37:38Z
source: RIPE # Filtered

organisation: ORG-FKF1-RIPE
org-name: FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH
org-type: OTHER
address: FIZ Karlsruhe - Leibniz Institut for Information Infrastructure
address: Hermann-von-Helmholtz-Platz 1
address: 76344 Eggenstein-Leopoldshafen
phone: +49 7247 808 0
fax-no: +49 7247 808 133
abuse-c: AR19103-RIPE
admin-c: CKL55-RIPE
admin-c: LHE12
mnt-ref: FIZ-MNT
mnt-by: FIZ-MNT
created: 2013-04-08T12:48:09Z
last-modified: 2018-04-04T10:46:02Z
source: RIPE # Filtered

person: Christian Klose
address: FIZ Karlsruhe - Leibniz Institute for Information Infrastructure
address: Hermann-von-Helmholtz-Platz 1
address: D-76344 Eggenstein-Leopoldshafen
phone: +49 7247 808 455
fax-no: +49 7247 808 133
mnt-by: FIZ-MNT
nic-hdl: CKL55-RIPE
created: 2005-05-09T12:36:21Z
last-modified: 2015-09-02T13:35:35Z
source: RIPE # Filtered

person: Leni Helmes
address: FIZ Karlsruhe - Leibniz Institute for Information Infrastructure
address: Hermann-von-Helmholtz-Platz 1
address: D-76344 Eggenstein-Leopoldshafen
phone: +49 7247 808 408
fax-no: +49 7247 808 133
nic-hdl: LHE12
mnt-by: FIZ-MNT
created: 2012-03-09T07:19:21Z
last-modified: 2015-09-02T13:30:48Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (WAGYU)

Geolocation

ASN Lookup

Ddb.de Domain Name Information

Ddb.de DNS Information

Domain name service records

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A

Host	A Record	TTL

Ddb.de Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Ddb.de HTML Validation

Ddb.de W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:

The “type” attribute is unnecessary for JavaScript resources.

The first occurrence of ID “news-top-slider-cover” was here.

The first occurrence of ID “0” was here.

The first occurrence of ID “title-0” was here.

The first occurrence of ID “href-0” was here.

The first occurrence of ID “1” was here.

The first occurrence of ID “title-1” was here.

The first occurrence of ID “href-1” was here.

The first occurrence of ID “2” was here.

The first occurrence of ID “title-2” was here.

The first occurrence of ID “href-2” was here.

The first occurrence of ID “3” was here.

The first occurrence of ID “title-3” was here.

The first occurrence of ID “href-3” was here.

The “contentinfo” role is unnecessary for element “footer”.

Errors:

Attribute “loginaction” not allowed on element “div” at this point.

Attribute “username” not allowed on element “div” at this point.

Attribute “logoutaction” not allowed on element “div” at this point.

Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Element “div” is missing one or more of the following attributes: “role”.

Duplicate ID “news-top-slider-cover”.

Attribute “alt” not allowed on element “a” at this point.

Duplicate ID “0”.

Duplicate ID “title-0”.

Duplicate ID “href-0”.

Duplicate ID “1”.

Duplicate ID “title-1”.

Duplicate ID “href-1”.

Duplicate ID “2”.

Duplicate ID “title-2”.

Duplicate ID “href-2”.

Duplicate ID “3”.

Duplicate ID “title-3”.

Duplicate ID “href-3”.

HTML Validator

Ddb.de Desktop Performance

How Well Ddb.de Performs On Desktops?

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Data not available...

Ddb.de Mobile Performance

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