karelv.nl ▷ Vijfsterren Hotel Utrecht Centrum - Grand Hotel Karel V

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 08/16/2025

Karelv.nl traffic volume is 4,852 unique daily visitors and their 14,557 pageviews. The web value rate of karelv.nl is 15,793 USD. Each visitor makes around 3.21 page views on average.

Karelv.nl belongs to Robbert Jan de Klerk trading as RDK IT Solutions. Check the list of other websites hosted by Robbert Jan de Klerk trading as RDK IT Solutions.

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

The last verification results, performed on (June 17, 2022) karelv.nl show that karelv.nl has an expired SSL certificate issued by Let's Encrypt (expired on July 24, 2022). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing and Symantec karelv.nl is pretty a safe domain.

Relying Google MobileFriendly test karelv.nl is not well optimized for mobiles and tablets. Designing your sites to be mobile friendly ensures that all of your web pages perform well on all devices, also website page loading time may be improved.

Karelv.nl General Information

not found

Karelv.nl Safety Information

Overview

Last Updated: 08/16/2025

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: 03/11/2025

karelv.nl is safe.

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

Google Safe Search

Last Updated: 08/16/2025

Not yet checked.

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: 01/10/2019

karelv.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: 04/07/2021

karelv.nl is safe.

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

Web of Trust

Last Updated: 08/16/2025

karelv.nl child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	karelv.nl
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	04/25/2022
Expiration	07/24/2022
Signed	Certificate is not self signed
Additional Domains	karelv.nl

Karelv.nl Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 207489
ASN Title: Robbert Jan de Klerk trading as RDK IT Solutions

Last Update: 03/10/2025

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: 2020-04-03T15:01:19Z
last-modified: 2020-04-03T15:01:19Z
source: RIPE

% Information related to 'AS207489'

% Abuse contact for 'AS207489' is 'abuse@rdkp.nl'

aut-num: AS207489
as-name: RDKIT
org: ORG-RJDK1-RIPE
import: from AS47869 accept ANY
import: from AS58291 accept any
import: from AS61349 accept ANY
export: to AS47869 announce AS207489
export: to AS58291 announce AS207489
export: to AS61349 announce AS207489
admin-c: RJDK4-RIPE
tech-c: RJDK4-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: mnt-nl-rdkit-1
created: 2020-01-24T08:09:59Z
last-modified: 2020-05-11T10:13:58Z
source: RIPE

organisation: ORG-RJDK1-RIPE
org-name: Robbert Jan de Klerk trading as RDK IT Solutions
org-type: LIR
address: Gemshoorn 56
address: 3068 HL
address: Rotterdam
address: NETHERLANDS
admin-c: RJDK4-RIPE
tech-c: RJDK4-RIPE
abuse-c: AR56932-RIPE
mnt-ref: mnt-nl-rdkit-1
mnt-by: RIPE-NCC-HM-MNT
mnt-by: mnt-nl-rdkit-1
created: 2019-11-21T08:51:54Z
last-modified: 2020-01-13T13:20:02Z
source: RIPE # Filtered
phone: +31655125370

role: Robbert Jan de Klerk
address: Gemshoorn 56
address: 3068 HL
address: Rotterdam
address: NETHERLANDS
phone: +31655125370
nic-hdl: RJDK4-RIPE
mnt-by: mnt-nl-rdkit-1
created: 2019-11-21T08:51:53Z
last-modified: 2019-11-21T08:51:53Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.97.2 (ANGUS)

Karelv.nl Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain name: karelv.nl
Status: active

Reseller:
Savvii B.V.
Kerkenbos 1065-U
6546BB Nijmegen
Netherlands

Registrar:
Realtime Register
Burgemeester Drijbersingel 51
8021JB Zwolle
Netherlands

Abuse Contact:

DNSSEC: no

Domain nameservers:
ns1.vz24.nl
ns2.vz1.nl

Creation Date: 1999-05-05

Updated Date: 2023-04-20

Record maintained by: SIDN BV

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Karelv.nl HTML Validation

HTML Validation Tool

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

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

End tag “br”.

Attribute “height” not allowed on element “div” at this point.

Attribute “width” not allowed on element “div” at this point.

Duplicate attribute “id”.

Attribute “value” not allowed on element “select” at this point.

Bad value “”noopener” for attribute “rel” on element “a”: The string “”noopener” is not a registered keyword.

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

Bad value “tel:0031302337555<br>” for attribute “href” on element “a”: Illegal character in scheme data: “<” is not allowed.

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

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

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

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

Duplicate ID “menu-item-484”.

Duplicate ID “menu-item-485”.

Duplicate ID “menu-item-491”.

Duplicate ID “menu-item-486”.

Duplicate ID “menu-item-487”.

Duplicate ID “menu-item-488”.

Duplicate ID “menu-item-489”.

Duplicate ID “menu-item-492”.

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

Warnings

The “banner” role is unnecessary for element “header”.

The “navigation” role is unnecessary for element “nav”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Attribute “noreferrer”” is not serializable as XML 1.0.

The “contentinfo” role is unnecessary for element “footer”.

The first occurrence of ID “menu-item-484” was here.

The first occurrence of ID “menu-item-485” was here.

The first occurrence of ID “menu-item-491” was here.

The first occurrence of ID “menu-item-486” was here.

The first occurrence of ID “menu-item-487” was here.

The first occurrence of ID “menu-item-488” was here.

The first occurrence of ID “menu-item-489” was here.

The first occurrence of ID “menu-item-492” was here.

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

Karelv.nl Desktop Insights

Last tested: 02/19/2017

Desktop

Desktop Speed

62%

Optimize images

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

Avoid landing page redirects

Leverage browser caching

Enable compression

Minify CSS

Desktop Resource Breakdown

Total Resources	46
Number of Hosts	4
Static Resources	43
JavaScript Resources	3
CSS Resources	1

Karelv.nl Mobile Insights

Last tested: 02/19/2017

Mobile

Mobile Usability

95%

Size tap targets appropriately

Mobile Speed

50%

Optimize images

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

Avoid landing page redirects

Prioritize visible content

Leverage browser caching

Enable compression

Minify CSS

Mobile Resource Breakdown

Total Resources	46
Number of Hosts	4
Static Resources	43
JavaScript Resources	3
CSS Resources	1

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Karelv.nl Vijfsterren Hotel Utrecht Centrum - Grand Hotel Karel V - Officiële Website

Grand Hotel Karel V heeft 10,000 vierkante meter aan Prachtige Tuinen, een Luxueuze Wellness, Massage Centrum en een Moderne Fitness.

Quick Summary

Karelv.nl General Information

Karelv.nl Safety Information

Karelv.nl Server Information

Karelv.nl Domain Name Information

Karelv.nl HTML Validation

Karelv.nl Desktop Insights

Karelv.nl Mobile Insights

Karelv.nl Nearest Competitors

Karelv.nl Typos