DUO.NL Website Review
An error occurred while visiting the website duo.nl
We encountered errors when trying to access the following URL addresses of the website duo.nl:
- HTTP 0 http://duo.nl/
- HTTP 0 https://duo.nl/
When an HTTP status code of 0 is encountered, it indicates that communication with the server via HTTP(s) cannot be established. If this pertains to your website, check if the site is online and if DNS resolution is correctly configured. Also, verify if the HTTPS certificate is valid if an SSL certificate is configured.
The content below showcases a portion of the historical analysis data cached by our server on Apr 04, 2024. Due to our bot's inability to access this website, the data may be incomplete or outdated, and is provided for your reference only.
Basic Information
URL:
Site Title:
Server:
Unknown
IP:
City:
Page Information
Title:
DUO - Particulier
Length: 17 character(s); Best length: 10 ~ 60 character(s)
Meta keywords:
Unknown
Length: 0 character(s); Best length: 10 ~ 255 character(s)
Meta description:
Informatie voor studenten, terugbetalers en leraren. Informatie over studiefinanciering, studieschuld, reizen, lesgeld, diploma’s en staatsexamens.
Length: 147 character(s); Best length: 50 ~ 160 character(s)
H1 Tag:
DUO Particulier
Length: 15 character(s)
Internal links:
45 (0 nofollow)
External links:
1 (0 nofollow)
Site Technology
Server:
Unknown
SSL Secure:
Available
robots.txt:
XML Sitemap:
Unavailable
Gzip Compress:
Unavailable
favicon.ico:
Unavailable
HTTP Header Analysis
HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of duo.nl:
HTTP/1.1 302
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/ https://*.duo.nl https://duo.nl https://www.toegankelijkheidsverklaring.nl/files/verklaring/label/; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googletagmanager.com ajax.googleapis.com https://cdnjs.cloudflare.com https://a.optnmnstr.com https://*.obi4wan.com https://*.pusher.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://apps.duo.nl; font-src 'self' https://fonts.gstatic.com https://apps.duo.nl data:;; connect-src 'self' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googleapis.com https://kennisbank.prd.duo.nl https://*.obi4wan.com https://*.pusher.com wss://*.pusher.com https://duo.nl; object-src 'none'; frame-src 'self' https://cloud.reflexappointment.nl
Cache-Control: no-store
Referrer-Policy: no-referrer, strict-origin-when-cross-origin
vary: Origin
Strict-Transport-Security: max-age=631138519;includeSubDomains
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Set-Cookie: JSESSIONID=C15E47E9B9AE9A2F46EC6EF1735B75B4; Path=/; Secure; HttpOnly
Location: /particulier/
Content-Type: text/html;charset=UTF-8
Content-Length: 0
Date: Thu, 04 Apr 2024 16:55:01 GMT
HTTP/1.1 200
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/ https://*.duo.nl https://duo.nl https://www.toegankelijkheidsverklaring.nl/files/verklaring/label/; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googletagmanager.com ajax.googleapis.com https://cdnjs.cloudflare.com https://a.optnmnstr.com https://*.obi4wan.com https://*.pusher.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://apps.duo.nl; font-src 'self' https://fonts.gstatic.com https://apps.duo.nl data:;; connect-src 'self' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googleapis.com https://kennisbank.prd.duo.nl https://*.obi4wan.com https://*.pusher.com wss://*.pusher.com https://duo.nl; object-src 'none'; frame-src 'self' https://cloud.reflexappointment.nl
Cache-Control: no-store
Referrer-Policy: no-referrer, strict-origin-when-cross-origin
vary: Origin
Strict-Transport-Security: max-age=631138519;includeSubDomains
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Set-Cookie: JSESSIONID=B3F835B781B587873732FD75C07A247A; Path=/; Secure; HttpOnly
Content-Type: text/html;charset=UTF-8
Transfer-Encoding: chunked
Date: Thu, 04 Apr 2024 16:55:01 GMT
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/ https://*.duo.nl https://duo.nl https://www.toegankelijkheidsverklaring.nl/files/verklaring/label/; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googletagmanager.com ajax.googleapis.com https://cdnjs.cloudflare.com https://a.optnmnstr.com https://*.obi4wan.com https://*.pusher.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://apps.duo.nl; font-src 'self' https://fonts.gstatic.com https://apps.duo.nl data:;; connect-src 'self' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googleapis.com https://kennisbank.prd.duo.nl https://*.obi4wan.com https://*.pusher.com wss://*.pusher.com https://duo.nl; object-src 'none'; frame-src 'self' https://cloud.reflexappointment.nl
Cache-Control: no-store
Referrer-Policy: no-referrer, strict-origin-when-cross-origin
vary: Origin
Strict-Transport-Security: max-age=631138519;includeSubDomains
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Set-Cookie: JSESSIONID=C15E47E9B9AE9A2F46EC6EF1735B75B4; Path=/; Secure; HttpOnly
Location: /particulier/
Content-Type: text/html;charset=UTF-8
Content-Length: 0
Date: Thu, 04 Apr 2024 16:55:01 GMT
HTTP/1.1 200
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/ https://*.duo.nl https://duo.nl https://www.toegankelijkheidsverklaring.nl/files/verklaring/label/; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googletagmanager.com ajax.googleapis.com https://cdnjs.cloudflare.com https://a.optnmnstr.com https://*.obi4wan.com https://*.pusher.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://apps.duo.nl; font-src 'self' https://fonts.gstatic.com https://apps.duo.nl data:;; connect-src 'self' https://*.duo.nl https://stats.duo.rijkscloud.nl https://www.googleapis.com https://kennisbank.prd.duo.nl https://*.obi4wan.com https://*.pusher.com wss://*.pusher.com https://duo.nl; object-src 'none'; frame-src 'self' https://cloud.reflexappointment.nl
Cache-Control: no-store
Referrer-Policy: no-referrer, strict-origin-when-cross-origin
vary: Origin
Strict-Transport-Security: max-age=631138519;includeSubDomains
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Set-Cookie: JSESSIONID=B3F835B781B587873732FD75C07A247A; Path=/; Secure; HttpOnly
Content-Type: text/html;charset=UTF-8
Transfer-Encoding: chunked
Date: Thu, 04 Apr 2024 16:55:01 GMT
DNS Record Analysis
Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 14 DNS record(s) of duo.nl.
| Host | Type | IP/Target | TTL | Extra Infomation |
|---|---|---|---|---|
| duo.nl | A | 900 | ||
| duo.nl | NS | 900 | ||
| duo.nl | NS | 900 | ||
| duo.nl | SOA | 900 | expire: 604800 serial: 2014227227 | |
| duo.nl | MX | 900 | pri: 10 | |
| duo.nl | MX | 900 | pri: 10 | |
| duo.nl | TXT | cisco-ci-domain-verification=638367e007ac0876e9c860d9f73c3ed446324f61139de9b6cd0dc6c9900eea58 | 900 | |
| duo.nl | TXT | 34795ab8189f9058900af51f79e50414a2d9a007be11677d35d79d4ed8b6cedf | 900 | |
| duo.nl | TXT | google-site-verification=qbvg5XNKlJSM6IZoZS_DoWYYvVN1177Tbwgn6PzPVFA | 900 | |
| duo.nl | TXT | apple-domain-verification=fFfN7j339skh0Mh1 | 900 | |
| duo.nl | TXT | cisco-ci-domain-verification=7720fd0785f14f8beee922a0084b84c2860b61ef66200ff3d739a4447472d9f4 | 900 | |
| duo.nl | 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 | 900 | |
| duo.nl | TXT | MS=2A35729DF7B6879605A380199134229FA98192DC | 900 | |
| duo.nl | AAAA | 2001:67c:262c:860::135 | 900 |