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Duo.nl Summary


Duo.nl was created 27 years ago. Receives approximately 1,064,220 unique visitors per month. Server is located in Netherlands, IP address 194.171.77.135.

Website Info


Creation date 1998-12-18
Expiration date n/a
Registrar Rijksoverheid
Name servers
  1. ns2.surfnet.nl
  2. ns1.duo.nl
IP address 194.171.77.135
Server located Netherlands, Groningen
Host name examenloket.nl

Alexa Traffic Ranks


Global Rank 48,762
Delta (90 Days) -3,272
Most Popular In Country Netherlands
Country Rank 732

Whois info


Domain name: duo.nl

Status:      active


Registrar: 
   Rijksoverheid
   Buitenhof 34
   2513AH Den Haag
   Netherlands


Abuse Contact: 


Creation Date: 1998-12-18


Updated Date: 2020-06-10


DNSSEC:      yes


Domain nameservers: 
   ns2.surfnet.nl
   ns1.duo.nl          194.171.77.37
   ns1.duo.nl          2001:67c:262c:861::37


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


Host Type TTL Data
duo.nl A 900 ip: 194.171.77.135
duo.nl CAA 900 flags: 0
tag: issue
value: www.pkioverheid.nl
duo.nl CAA 900 flags: 0
tag: issue
value: kpn.com
duo.nl CAA 900 flags: 0
tag: issue
value: quovadisglobal.com
duo.nl MX 900 pri: 10
target: grnms102.duo.nl
duo.nl MX 900 pri: 10
target: grnms101.duo.nl
duo.nl NS 900 target: ns1.duo.nl
duo.nl NS 900 target: ns2.surfnet.nl
duo.nl SOA 900 mname: ns1.duo.nl
rname: postmaster.duo.nl
serial: 2014204100
refresh: 900
retry: 90
expire: 604800
minimum-ttl: 86400
duo.nl TXT 900 txt: 34795ab8189f9058900af51f79e50414a2d9a007be11677d35d79d4ed8b6cedf
duo.nl TXT 900 txt: google-site-verification=qbvg5XNKlJSM6IZoZS_DoWYYvVN1177Tbwgn6PzPVFA
duo.nl TXT 900 txt: apple-domain-verification=fFfN7j339skh0Mh1
duo.nl TXT 900 txt: v=spf1 mx a ip4:62.112.225.180 ip4:89.221.178.154 ip4:212.159.201.77 ip4:212.159.201.78 ~all
duo.nl TXT 900 txt: MS=2A35729DF7B6879605A380199134229FA98192DC
duo.nl TXT 900 txt: cisco-ci-domain-verification=638367e007ac0876e9c860d9f73c3ed446324f61139de9b6cd0dc6c9900eea58
duo.nl AAAA 900 ipv6: 2001:67c:262c:860::135

HTTP Headers


Content-Security-Policy: default-src 'self'; img-src 'self' data: stats.duo.rijkscloud.nl https://*.lpsnmedia.net https://s3-eu-west-1.amazonaws.com/obipub/; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.duo.nl https://stats.duo.rijkscloud.nl https://www.googletagmanager.com ajax.googleapis.com https://cdnjs.cloudflare.com https://a.optnmnstr.com https://*.omappapi.com https://*.obi4wan.com https://*.pusher.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:;; connect-src 'self' https://*.duo.nl https://www.googleapis.com https://kennisbank.prd.duo.nl https://*.omappapi.com https://*.obi4wan.com https://*.pusher.com wss://*.pusher.com; object-src 'none'; frame-src 'self' https://cloud.reflexappointment.nl
Cache-Control: no-store
vary: Origin
Access-Control-Allow-Credentials: true
Access-Control-Expose-Headers: Access-Control-Allow-Origin,Access-Control-Allow-Credentials
Strict-Transport-Security: max-age=631138519;includeSubDomains
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Content-Type: text/html;charset=UTF-8
Transfer-Encoding: chunked
Date: Thu, 26 Nov 2020 12:50:03 GMT
Keep-Alive: timeout=20
Connection: keep-alive

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