Otto Brenner Stiftung – Stiftung schafft Wissen

Die Otto Brenner Stiftung ist die Wissenschaftsstiftung der IG Metall. Anspruch ist es, im Rahmen gezielter Projektförderung Arbeit und Wirken Otto Br...

Online Status

Server IP address resolved: No
Http response code: None
Last Checked: 10/03/2023 traffic volume is 19,249 unique daily visitors and their 96,247 pageviews. The web value rate of is 144,450 USD. Each visitor makes around 5.35 page views on average. belongs to Bradler & Krantz GmbH & Co. KG. Check the list of other websites hosted by Bradler & Krantz GmbH & Co. KG. registered under .DE top-level domain. Check other websites in .DE zone.

The last verification results, performed on (May 30, 2021) show that has an expired SSL certificate issued by Let's Encrypt (expired on June 21, 2021). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search and Symantec is pretty a safe domain.

Relying Google MobileFriendly test is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Last Updated: 10/03/2023
Overall result - is safe.
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
Last Updated: 03/21/2023 is safe.
Norton ConnectSafe evaluates for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 05/10/2020 is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 01/09/2019 is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 03/11/2021 is safe.
McAfee assesses 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 for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 10/03/2023 child safety is unknown.
The WOT calculates reputation of the This reputation system receives ratings from users and information from third-party sources, assesses the for safety features and confirms, whether is suitable for children.

SSL Information
Issuer OrganizationLet's Encrypt
Valid form03/23/2021
SignedCertificate is not self signed
Additional Domains
Server Location

ASN Information

ASN ID: 29141
ASN Title: Bradler & Krantz GmbH & Co. KG

Last Update: 06/25/2023

% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See

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

% Information related to 'AS29092 - AS29337'

as-block: AS29092 - AS29337
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
created: 2010-05-11T11:46:28Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS29141'

% Abuse contact for 'AS29141' is ''

aut-num: AS29141
as-name: BKVG-AS
remarks: ================= Upstreams ================
remarks: ------------------ DTAG --------------------
import: from AS3320 action pref=150; accept ANY
export: to AS3320 announce AS-BKVG
remarks: --------------------------------------------
remarks: ----------------- Level3 -------------------
import: from AS3356 action pref=150; accept ANY
export: to AS3356 announce AS-BKVG
remarks: --------------------------------------------
remarks: ------------------ Cogent ------------------
import: from AS174 action pref=80; accept ANY
export: to AS174 announce AS-BKVG
remarks: --------------------------------------------
remarks: ------------------- NTT --------------------
import: from AS2914 action pref=100; accept ANY
export: to AS2914 announce AS-BKVG
remarks: --------------------------------------------
remarks: ---------------- Fiberring -----------------
import: from AS38930 action pref=100; accept ANY
export: to AS38930 announce AS-BKVG
remarks: --------------------------------------------
remarks: =============== Downstreams ================
remarks: ------------------ Tipico ------------------
import: from AS35669 action pref=200; accept AS35669
export: to AS35669 announce ANY
remarks: --------------------------------------------
remarks: ============== Public Peerings =============
remarks: ------------------- ECIX -------------------
import: from AS-ECIX-DUS action pref=200; accept AS-ECIX-DUS
export: to AS-ECIX-DUS announce AS-BKVG
remarks: --------------------------------------------
remarks: ------------------ AMS-IX ------------------
import: from AS-AMS-IX-PEERS action pref=200; accept ANY
export: to AS-AMS-IX-PEERS announce AS-BKVG
remarks: --------------------------------------------
admin-c: DB-RIPE
tech-c: DB-RIPE
status: ASSIGNED
mnt-by: MNT-BNK
created: 2003-06-16T07:56:21Z
last-modified: 2016-04-14T10:38:30Z
source: RIPE

organisation: ORG-BKGC1-RIPE
org-name: Bradler & Krantz GmbH & Co. KG
org-type: LIR
address: 44787
address: BOCHUM
address: GERMANY
phone: +492346870390
fax-no: +4923468703955
admin-c: DB-RIPE
admin-c: DB-RIPE
admin-c: JOKR-RIPE
mnt-ref: RIPE-NCC-HM-MNT
abuse-c: BN2043-RIPE
created: 2005-04-14T15:51:23Z
last-modified: 2016-04-19T09:02:07Z
source: RIPE # Filtered

person: Daniel Bradler
address: B & K Verwaltungs GmbH
address: Kurt-Schumacher-Platz 8
address: 44787 Bochum
address: Germany
phone: +49-234-6870390
fax-no: +49-234-68703955
nic-hdl: DB-RIPE
created: 2002-08-24T08:13:18Z
last-modified: 2014-06-03T08:18:05Z
source: RIPE # Filtered
mnt-by: MNT-BNK

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


Status: connect

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Last tested: 07/05/2018

Desktop Speed

Desktop Resource Breakdown
Total Resources66
Number of Hosts10
Static Resources56
JavaScript Resources26
CSS Resources9

Last tested: 07/15/2018

Mobile Usability
Mobile Speed

Mobile Resource Breakdown
Total Resources66
Number of Hosts10
Static Resources56
JavaScript Resources26
CSS Resources9