Cwi.nl Home


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.88 sec.
Last Checked: 12/06/2024

Cwi.nl traffic volume is 1,831 unique daily visitors and their 2,929 pageviews. The web value rate of cwi.nl is 56,239 USD. Each visitor makes around 1.71 page views on average.

By Alexa's traffic estimates cwi.nl placed at 996 position over the world, while the largest amount of its visitors comes from India, where it takes 69,913 place.

Cwi.nl is hosted by Stichting Centrum voor Wiskunde en Informatica in Netherlands; however, we recommend migrating the server to India, as it will speed up cwi.nl page load time for the majority of users. See the list of other web pages hosted by Stichting Centrum voor Wiskunde en Informatica.

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

The last verification results, performed on (July 09, 2024) cwi.nl show that cwi.nl has a valid and up-to-date wildcard SSL certificate issued by Sectigo Limited expiring on April 03, 2025. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cwi.nl is pretty a safe domain.

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


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

Overview
Last Updated: 12/06/2024
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
cwi.nl 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: 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 is very 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
Domain*.cwi.nl
Issuer OrganizationSectigo Limited
IssuerSectigo RSA Domain Validation Secure Server CA
AlgorithmRSA-SHA256
Valid form04/02/2024
Expiration04/03/2025
SignedCertificate is not self signed
Additional Domains *.cwi.nl
cwi.nl
Server Location

ASN Information

ASN ID: 1888
ASN Title: Stichting Centrum voor Wiskunde en Informatica

Last Update: 11/04/2024

% 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

DNSSEC: yes

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

Creation Date: 1986-04-30

Updated Date: 2021-02-23

Record maintained by: SIDN BV


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
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