u-center.nl - Klinisch behandelcentrum | Psychische hulp & Verslavingen‎

Quick Summary

Online Status

UNKNOWN

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

At the time of the last check (January 16, 2025) u-center.nl has an expired SSL certificate issued by Let's Encrypt (expired on March 18, 2025). Check other websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing and Symantec u-center.nl is quite a safe domain.

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

U-center.nl General Information

Not tested yet

U-center.nl Alexa Rank History

Alexa Rank shows how popular u-center.nl is in comparison with other sites. The most popular site has Alexa Rank equals 1. If u-center.nl has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to u-center.nl and pageviews on u-center.nl over the past 3 months.

U-center.nl Safety Information

Overview

Last Updated: 09/17/2025

Unknown status.
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: 03/30/2025

u-center.nl is safe.

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

Google Safe Search

Last Updated: 09/17/2025

Unknown status.

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 "u-center.nl".
"u-center.nl" is not a phishing page.
"u-center.nl" does not install unwanted software.
"u-center.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: 03/08/2021

u-center.nl is safe.

McAfee assesses u-center.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 u-center.nl for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 09/17/2025

u-center.nl child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	u-center.nl
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	12/18/2024
Expiration	03/18/2025
Signed	Certificate is not self signed
Additional Domains	ftp.www.u-center.prod.ucenter.hosted-temp.com m.u-center.be m.u-center.eu m.u-center.nl u-center.be u-center.eu u-center.nl www.u-center.be www.u-center.eu www.u-center.nl

U-center.nl Server Information

Server Location

Geolocation Tool

Not Found

ASN Information

ASN Lookup Tool

ASN ID: 205876
ASN Title: Hoasted B.V.

Last Update: 09/09/2025

ASN Whois

% 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 'AS196608 - AS213403'

as-block: AS196608 - AS213403
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: 2021-11-26T06:58:53Z
last-modified: 2021-11-26T06:58:53Z
source: RIPE

% Information related to 'AS205876'

% Abuse contact for 'AS205876' is 'abuse@hoasted.com'

aut-num: AS205876
as-name: HOASTED
org: ORG-HB143-RIPE
import: from AS24940 accept ANY
export: to AS24940 announce AS205876
import: from AS20473 accept ANY
export: to AS20473 announce AS205876
admin-c: HN2754-RIPE
tech-c: HN2754-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: HOASTED-MNT
created: 2022-04-13T12:46:53Z
last-modified: 2022-04-13T12:46:53Z
source: RIPE

organisation: ORG-HB143-RIPE
org-name: Hoasted B.V.
country: NL
org-type: LIR
address: Weesperstraat 61
address: 1018VN
address: Amsterdam
address: NETHERLANDS
phone: +31857430340
admin-c: HN2754-RIPE
tech-c: HN2754-RIPE
abuse-c: HN2754-RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: HOASTED-MNT
created: 2022-01-07T06:28:11Z
last-modified: 2022-04-12T10:12:46Z
source: RIPE # Filtered
mnt-ref: HOASTED-MNT

role: Hoasted NOC
address: Weesperstraat 61, 1018VN, Amsterdam, Netherlands
nic-hdl: HN2754-RIPE
mnt-by: HOASTED-MNT
created: 2022-04-12T09:36:12Z
last-modified: 2022-04-12T09:43:33Z
source: RIPE # Filtered
abuse-mailbox: abuse@hoasted.com

% This query was served by the RIPE Database Query Service version 1.103 (BLAARKOP)

U-center.nl Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

whois.domain-registry.nl: Server too busy, try again later

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

U-center.nl HTML Validation

HTML Validation Tool

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Stray end tag “link”.

The “align” attribute on the “div” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

No space between attributes.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Duplicate attribute “"microsoft”.

Attribute “helvetica” not allowed on element “a” at this point.

Attribute “neue",” not allowed on element “a” at this point.

Attribute “mheihk-light,” not allowed on element “a” at this point.

Attribute “mheihk,” not allowed on element “a” at this point.

Attribute “"microsoft” not allowed on element “a” at this point.

Attribute “yahei” not allowed on element “a” at this point.

Attribute “new",” not allowed on element “a” at this point.

Attribute “yahei",” not allowed on element “a” at this point.

Attribute “stxihei,” not allowed on element “a” at this point.

Attribute “sans-serif;"” not allowed on element “a” at this point.

Attribute “helvetica” not allowed on element “strong” at this point.

Attribute “neue",” not allowed on element “strong” at this point.

Attribute “mheihk-light,” not allowed on element “strong” at this point.

Attribute “mheihk,” not allowed on element “strong” at this point.

Attribute “"microsoft” not allowed on element “strong” at this point.

Attribute “yahei” not allowed on element “strong” at this point.

Attribute “new",” not allowed on element “strong” at this point.

Attribute “yahei",” not allowed on element “strong” at this point.

Attribute “stxihei,” not allowed on element “strong” at this point.

Attribute “sans-serif;"” not allowed on element “strong” at this point.

Stray end tag “ul”.

End tag “br”.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Warnings

Attribute “neue",” is not serializable as XML 1.0.

Attribute “mheihk-light,” is not serializable as XML 1.0.

Attribute “mheihk,” is not serializable as XML 1.0.

Attribute “"microsoft” is not serializable as XML 1.0.

Attribute “new",” is not serializable as XML 1.0.

Attribute “yahei",” is not serializable as XML 1.0.

Attribute “stxihei,” is not serializable as XML 1.0.

Attribute “sans-serif;"” is not serializable as XML 1.0.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

This document appears to be written in Dutch. Consider adding “lang="nl"” (or variant) to the “html” start tag.

U-center.nl Desktop Insights

Desktop Page Insights Tool

Last tested: 01/28/2018

Desktop

Desktop Speed

71%

Leverage browser caching

Enable compression

Minify JavaScript

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	91
Number of Hosts	28
Static Resources	59
JavaScript Resources	38
CSS Resources	7

U-center.nl Mobile Insights

Mobile Page Insights Tool

Last tested: 01/28/2018

Mobile

Mobile Usability

100%

Mobile Speed

54%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Avoid landing page redirects

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	30
Number of Hosts	5
Static Resources	20
JavaScript Resources	15
CSS Resources	6

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U-center.nl Klinisch behandelcentrum | Psychische hulp & Verslavingen‎

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Quick Summary

U-center.nl General Information

U-center.nl Alexa Rank History

U-center.nl Safety Information

U-center.nl Server Information

U-center.nl Domain Name Information

U-center.nl HTML Validation

U-center.nl Desktop Insights

U-center.nl Mobile Insights

U-center.nl Typos