helder-ct.com — domain check, WHOIS, DNS & reputation

HTML metadata

Title

Helder | huiswerkbegeleiding, bijles, cito-en examentraining

Description

Helder de plek voor huiswerkbegeleiding, bijles alle vakken, citotraining en examentraining in Hoofddorp en omstreken.

Language

nl-NL

Generator

All in One SEO (AIOSEO) 4.9.7.2

Canonical

https://helder-ct.com/

Translations

en
nl

Feeds

Helder » feed RSS
Helder » reacties feed RSS

Open Graph

url: https://helder-ct.com/
title: Helder | huiswerkbegeleiding, bijles, cito-en examentraining
locale: nl_NL
site name: Helder | De plek voor huiswerkbegeleiding, bijles, citotraining en examentraining in Hoofddorp en omstreken.
description: Helder de plek voor huiswerkbegeleiding, bijles alle vakken, citotraining en examentraining in Hoofddorp en omstreken.

Technology

Server: nginx
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (16)

i0.wp.com×6
fonts-api.wp.com×2
s0.wp.com×2
stats.wp.com×2
0.gravatar.com×1
1.gravatar.com×1
2.gravatar.com×1
c0.wp.com×1
cdn.trustindex.io×1
gmpg.org×1
jetpack.wordpress.com×1
public-api.wordpress.com×1
secure.gravatar.com×1
widgets.wp.com×1
wp.me×1
www.googletagmanager.com×1

Contact

Phone

Registration

Registrar

Automattic Inc.

Created

2020-06-20

Expires

2026-06-20 19 days left

Updated

2025-11-23

Name servers

ns1.wordpress.com
ns2.wordpress.com
ns3.wordpress.com

DNS records live

NS

ns1.wordpress.com
ns2.wordpress.com
ns3.wordpress.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI4JCWc+z47z4lmELMfvDjAkv8en8Q3SPk4zx4pTHKWS/XtAS+kGZnjt/dfou6kuHV8PQvMz95XVf6yXSUFImV85awIDAQAB

Verified for

Google

Email authentication partial

SPF

v=spf1 include:_spf.google.com include:_spf.e-boekhouden.nl include:_spf.wpcloud.com ~all

softfail (~all)

DMARC

v=DMARC1;p=none;

policy: none (monitoring only)

DKIM

Show 12 DKIM selectors

default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
k1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
k2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
s1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
s2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
mxvault: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…
smtpapi: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGFx0jntFTF/hKfjmkedfN1ExpldLiMsqtcpYIecdKeu9PEEjCM1YC6NV7xp+YJ3FHQZEIDY+o+iLUQURwtI…

selectors probed

Certificate (current)

WR1

from 2026-05-29 to 2026-08-27

Expires in 87 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://helder-ct.com/

present

strict-transport-security
permissions-policy

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy

Header values

permissions-policy: private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
strict-transport-security: max-age=31536000

Links to (4)

Linked from (1)

livelifedancecenter.nl×1