Nwo.nl Nederlandse Organisatie voor Wetenschappelijk Onderzoek | NWO
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Server IP address resolved: Yes
Http response code: 200
Response time: 2.27 sec.
Last Checked: 07/13/2025
Nwo.nl traffic volume is 893 unique daily visitors and their 2,055 pageviews. The web value rate of nwo.nl is 35,150 USD. Each visitor makes around 2.46 page views on average.
By Alexa's traffic estimates nwo.nl placed at 17,331 position over the world, while the largest amount of its visitors comes from Netherlands, where it takes 10,622 place.
Perfect for nwo.nl that their data center (provided by company company Previder B.V) is located in Netherlands, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by Previder B.V.
Nwo.nl registered under .NL top-level domain. Check other websites in .NL zone.
The last verification results, performed on (April 02, 2023) nwo.nl show that nwo.nl has an expired SSL certificate issued by GEANT Vereniging (expired on September 20, 2023). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by GEANT Vereniging.
In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust nwo.nl is pretty a safe domain.
Relying Google MobileFriendly test nwo.nl is well optimized for mobile and tablet devices, however web page loading speed may be improved.

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

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.

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.

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

The WOT calculates reputation of the nwo.nl. This reputation system receives ratings from users and information from third-party sources, assesses the nwo.nl for safety features and confirms, whether nwo.nl is suitable for children.
Domain | www.nwo.nl |
Issuer Organization | GEANT Vereniging |
Issuer | GEANT OV RSA CA 4 |
Algorithm | RSA-SHA384 |
Valid form | 09/20/2022 |
Expiration | 09/20/2023 |
Signed | Certificate is not self signed |
Additional Domains |
www.nwo.nl nwo.nl |
ASN ID: 20847
ASN Title: Previder B.V.
Last Update: 04/22/2025
% 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 'AS20485 - AS20857'
as-block: AS20485 - AS20857
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: 2010-05-11T11:45:37Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE
% Information related to 'AS20847'
% Abuse contact for 'AS20847' is 'abuse@previder.net'
aut-num: AS20847
as-name: PREVIDER-AS
remarks: -----------------------------------------------------
remarks: Previder peering policy
remarks: -----------------------------------------------------
import: from AS-PREVIDER-PEERS action pref=100; accept ANY AND NOT {0.0.0.0/0}
export: to AS-PREVIDER-PEERS announce AS-PREVIDER
remarks: -----------------------------------------------------
remarks: AMS-IX routeserver
remarks: -----------------------------------------------------
import: from AS6777 accept ANY
export: to AS6777 action community .= { 6777:6777 }; announce AS-PREVIDER
remarks: -----------------------------------------------------
org: ORG-IB5-RIPE
admin-c: PRCR1-RIPE
tech-c: PRCR1-RIPE
remarks: ======================================================
remarks: Peering at AMS-IX (AM7 and (Nikhef)
remarks: IPv4 Address: 80.249.208.222
remarks: IPv4 Address: 80.249.208.197
remarks: IPv6 Address: 2001:7F8:1::A502:847:1/64
remarks: IPv6 Address: 2001:7F8:1::A502:847:2/64
remarks: Peering at NL-IX (AM7 and Nikhef)
remarks: IPv4 Address: 194.153.154.86
remarks: IPv4 Address: 194.153.154.85
remarks: IPv6 Address: 2001:7F8:13::A502:847:1/48
remarks: IPv6 Address: 2001:7F8:13::A502:847:2/48
remarks: Peering at NDIX (Equinix and Previder)
remarks: IPv4 Address: 193.108.98.241
remarks: IPv4 Address: 193.108.98.245
remarks: IPv6 Address: 2001:7f8:e::2:847:1
remarks: IPv6 Address: 2001:7f8:e::2:847:2
remarks: Peering policy: open - requests to: peering@previder.net
remarks: ======================================================
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: PREVIDER-MNT
created: 2002-09-19T11:40:29Z
last-modified: 2018-02-09T15:05:21Z
source: RIPE
organisation: ORG-IB5-RIPE
org-name: Previder B.V.
org-type: LIR
address: Postbus 185
address: 7550 AD
address: Hengelo
address: NETHERLANDS
phone: +31883323333
fax-no: +31883323334
admin-c: RS6724-RIPE
admin-c: ER233-RIPE
admin-c: TIMS
admin-c: ND2514-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: PREVIDER-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: PREVIDER-MNT
abuse-c: PRCR1-RIPE
tech-c: PRCR1-RIPE
created: 2004-04-17T11:41:46Z
last-modified: 2017-01-30T12:18:00Z
source: RIPE # Filtered
role: PREVIDER-NL Contact Role
address: Previder BV
address: Barnsteenstraat 15
address: NL-7554 TC Hengelo
address: NETHERLANDS
phone: +31 883323333
fax-no: +31 883323334
abuse-mailbox: abuse@previder.net
admin-c: RS6724-RIPE
tech-c: NICD
tech-c: ER233-RIPE
tech-c: SR11294-RIPE
tech-c: TIMS
nic-hdl: PRCR1-RIPE
mnt-by: PREVIDER-MNT
created: 2011-07-05T11:57:59Z
last-modified: 2016-06-02T21:00:39Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)
Domain name: nwo.nl
Status: active
Registrar:
SURF B.V.
Moreelsepark 48
3511EP Utrecht
Netherlands
Abuse Contact:
+31.887873000
cert@surfcert.nl
DNSSEC: yes
Domain nameservers:
ns1.surfnet.nl
ns3.surfnet.nl
ns1.zurich.surf.net
ns2.surfnet.nl
Creation Date: 1986-09-21
Updated Date: 2019-04-25
Record maintained by: SIDN BV
Host | A Record | TTL |
---|---|---|
nwo.nl | 83.149.85.215 | 900 |
Host | MX Record | Priority | TTL |
---|---|---|---|
nwo.nl | mx1.nwo.nl | 10 | 86400 |
Host | NS Record | TTL |
---|---|---|
nwo.nl | ns3.surfnet.nl | 86400 |
nwo.nl | ns1.surfnet.nl | 86400 |
nwo.nl | ns1.zurich.surf.net | 86400 |
nwo.nl | ns2.surfnet.nl | 86400 |
Host | TXT Record | TTL |
---|---|---|
nwo.nl | facebook-domain-verification=txp1q8y05jkrlm18sp8w6cokukqiow | 300 |
nwo.nl | google-site-verification=5Phi-Zut6Gzh1SK3tz_gGA7rPKHeiui67B8ALonTa1g | 300 |
nwo.nl | v=spf1 mx include:mail.tripolis.com include:mailswitch.nl include:spf.topdesk.net ip4:109.234.207.166 ip4:195.143.61.129 ip4:213.201.162.253 ip4:37.220.169.132 ip4:37.230.99.46 ip4:31.7.5.242 ip4:31.7.5.249 ip4:85.17.203.33 ip4:83.149.85.240 ip4:192. | 300 |
nwo.nl | v=verifydomain MS=ms33246492 | 300 |
ns1.surfnet.nl
TTL: 300
Email address: dns-beheer.surfnet.nl
Serial: 2019090904
Refresh: 14400
Retry: 3600
Expire: 604800
Minimum: 86400
Last tested: 05/23/2017

Total Resources | 69 |
Number of Hosts | 6 |
Static Resources | 7 |
JavaScript Resources | 23 |
CSS Resources | 3 |
Last tested: 05/23/2017


Total Resources | 69 |
Number of Hosts | 6 |
Static Resources | 7 |
JavaScript Resources | 23 |
CSS Resources | 3 |
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