Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.88 sec.
Last Checked: 03/18/2024

Over the time cwi.nl has been ranked as high as 996 in the world, while most of its traffic comes from India, where it reached as high as 69,913 position.

Cwi.nl receives about 1,711 unique visitors and 2,738 pageviews per day. The estimated value of cwi.nl is 52,560 USD. Each unique visitor makes about 1.6 pageviews on average.

Cwi.nl is registered under .NL top-level domain. Check other websites in .NL zone.

At the time of the last check (June 13, 2024) cwi.nl has an invalid SSL certificate.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cwi.nl is quite a safe domain.

Mobile-Friendly test indicates that cwi.nl is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
249,981
Average Load Time
4.73sec
Links In Count
2,099
Website Value
$52,560

Overview
Last Updated: 06/13/2024
Overall result - "cwi.nl" 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: 03/21/2024
cwi.nl is safe.

Norton ConnectSafe evaluates cwi.nl for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 11/10/2016
cwi.nl 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
Malware not found at "cwi.nl".
"cwi.nl" is not a phishing page.
"cwi.nl" does not install unwanted software.
"cwi.nl" does not contain harmfull applications.
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: 02/25/2021
cwi.nl is safe.

McAfee assesses cwi.nl 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 cwi.nl for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/10/2019
cwi.nl child safety isvery good.

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

SSL Information
WARNING! Certificate download error. Previous scan results are shown below.
WARNING! Cwi.nl is not secured by SSL certificate.
Server Location
Sassenheim
Zuid-Holland
Netherlands
ASN Information

Last Update: 01/10/2024

% 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 'AS1877 - AS1903'

as-block: AS1877 - AS1903
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: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS1888'

% Abuse contact for 'AS1888' is 'abuse@surfnet.nl'

aut-num: AS1888
as-name: CWI-NL
org: ORG-CCvW1-RIPE
remarks: Amsterdam
remarks: The Netherlands
import: from AS1103
action pref=90;
accept AS1103
import: from AS1104
action pref=80;
accept AS1104
import: from AS1124
action pref=70;
accept AS1124
import: from AS1126
action pref=60;
accept AS1126
export: to AS1103
announce AS1888
export: to AS1104
announce AS1888
export: to AS1124
announce AS1888
export: to AS1126
announce AS1888
default: to AS1103
action pref=90;
networks ANY
admin-c: CWI1024-RIPE
tech-c: CWI1024-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS1888-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:14:24Z
source: RIPE # Filtered
sponsoring-org: ORG-Sb3-RIPE

organisation: ORG-CCvW1-RIPE
org-name: Stichting Centrum voor Wiskunde en Informatica
org-type: OTHER
address: Kruislaan 413
address: NL-1098 SJ Amsterdam
address: NL
abuse-c: AR22878-RIPE
mnt-ref: RIPE-ERX-MNT
mnt-by: RIPE-ERX-MNT
created: 2004-11-03T15:42:47Z
last-modified: 2014-11-17T16:27:20Z
source: RIPE # Filtered

role: CWI ITF
address: Centrum Wiskunde & Informatica Science Park 123 NL-1098 XG Amsterdam The Netherlands
phone: +31 (0)20 592 9333
fax-no: +31 (0)20 592 4199
remarks: Please contact "abuse@cwi.nl" for complaints and/or abuse
admin-c: HR1024-RIPE
tech-c: HR1024-RIPE
mnt-by: AS1888-MNT
nic-hdl: CWI1024-RIPE
created: 2004-10-06T10:16:49Z
last-modified: 2017-05-08T10:01:06Z
source: RIPE # Filtered

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

WHOIS

Domain name: cwi.nl
Status: active

Registrar:
SURF B.V.
Moreelsepark 48
3511EP Utrecht
Netherlands

Abuse Contact:
+31.887873000
cert@surfcert.nl

Creation Date: 1986-04-30

Updated Date: 2021-02-23

DNSSEC: yes

Domain nameservers:
ns1.zurich.surf.net
ns1.cwi.nl 192.16.191.8
ns2.cwi.nl 192.16.191.36
dwalin.nikhef.nl

Record maintained by: NL Domain Registry

Copyright notice
No part of this publication may be reproduced, published, stored in a
retrieval system, or transmitted, in any form or by any means,
electronic, mechanical, recording, or otherwise, without prior
permission of the Foundation for Internet Domain Registration in the
Netherlands (SIDN).
These restrictions apply equally to registrars, except in that
reproductions and publications are permitted insofar as they are
reasonable, necessary and solely in the context of the registration
activities referred to in the General Terms and Conditions for .nl
Registrars.
Any use of this material for advertising, targeting commercial offers or
similar activities is explicitly forbidden and liable to result in legal
action. Anyone who is aware or suspects that such activities are taking
place is asked to inform the Foundation for Internet Domain Registration
in the Netherlands.
(c) The Foundation for Internet Domain Registration in the Netherlands
(SIDN) Dutch Copyright Act, protection of authors' rights (Section 10,
subsection 1, clause 1).

DNS Records
HostA RecordTTL
cwi.nl192.16.191.3886400
HostMX RecordPriorityTTL
cwi.nlmx11.surfmailfilter.nl10086400
cwi.nlmx10.surfmailfilter.nl10086400
HostNS RecordTTL
cwi.nlns2.cwi.nl86400
cwi.nldwalin.nikhef.nl86400
cwi.nlns1.zurich.surf.net86400
cwi.nlns1.cwi.nl86400
HostTXT RecordTTL
cwi.nladobe-idp-site-verification=a8667c98581a66df82f18dd9b4ec9ad04d2b0214fda298afa04b69ae89b16b4d86400
cwi.nlScience Park 123, 1098 XG Amsterdam, Netherlands86400
cwi.nlv=spf1 ip4:192.16.191.0/27 include:_spf.surfmailfilter.nl -all86400
cwi.nlCentrum Wiskunde & Informatica86400
cwi.nlMS=5030954076250C4B2230576AEE820A11B797CC6586400
cwi.nlZOOM_verify_-TwabqfPQI2RrsWzDjTwfQ86400

ns1.cwi.nl
TTL: 86400
Email address: hostmaster.cwi.nl
Serial: 2023050301
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 43200

Warnings
Errors

Last tested: 06/21/2019

Desktop
Desktop Speed
7%
Desktop Resource Breakdown
Total Resources104
Number of Hosts3
Static Resources90
JavaScript Resources56
CSS Resources4

Last tested: 04/25/2017

Mobile
Mobile Usability
99%
Mobile Speed
3%
Mobile Resource Breakdown
Total Resources99
Number of Hosts3
Static Resources87
JavaScript Resources56
CSS Resources4
www.cwi.com
www.cwi.net
www.cwi.org
www.cwi.info
www.cwi.biz
www.cwi.us
www.cwi.mobi
www.wi.nl
www.cwi.nl
www.xwi.nl
www.cxwi.nl
www.xcwi.nl
www.dwi.nl
www.cdwi.nl
www.dcwi.nl
www.fwi.nl
www.cfwi.nl
www.fcwi.nl
www.vwi.nl
www.cvwi.nl
www.vcwi.nl
www.ci.nl
www.cqi.nl
www.cwqi.nl
www.cqwi.nl
www.cai.nl
www.cwai.nl
www.cawi.nl
www.csi.nl
www.cwsi.nl
www.cswi.nl
www.cei.nl
www.cwei.nl
www.cewi.nl
www.cw.nl
www.cwu.nl
www.cwiu.nl
www.cwui.nl
www.cwj.nl
www.cwij.nl
www.cwji.nl
www.cwk.nl
www.cwik.nl
www.cwki.nl
www.cwo.nl
www.cwio.nl
www.cwoi.nl