janson.nl

.nl crawl

First seen 2026-05-11 · Last seen 2026-05-16 · ok HTTP/1.1 200 10647 ms crawled 2026-05-16

NL · 87.255.56.160 · AS38930 LeaseWeb Network B.V.

Reputation 100/100

Classifying

HTML metadata

Title: Makelaar Den Haag - Janson Makelaardij B.V.
Description: Als makelaar in Den Haag helpen we u graag verder met de aan- en verkoop van woningen. Uw belang staat altijd voorop. Neem eens contact met ons op.
Language: NL
Canonical: https://www.janson.nl/

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (4)

static.realworks.nl×13
images.realworks.nl×11
cdn.move.nl×1
www.googletagmanager.com×1

Contact

Phone

070-3469372

Address

Laan van Meerdervoort 94 4, 2517 AR, 'S-Gravenhage, Nederland

DNS records live

NS

ns1.standbyhosting.nl
ns2.standbyhosting.nl

MX

10 mx1.mx-relay.com
20 mx2.mx-relay.com
30 mx3.mx-relay.com
40 mx4.mx-relay.com

TXT

v=DMARC1;p=quarantine;sp=quarantine

Verified for

Microsoft 365

Email authentication strong

SPF

v=spf1 a mx include:spf.protection.outlook.com include:spf.hdconnect.nl include:_spf.realworks.nl a:connect.standbyhosting.nl ip4:5.39.185.0/24 ip4:92.70.102.68/32 a:smtp.ziggo.nl Include:_spf.mx-relay.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc@janson.nl; ruf=mailto:dmarc@janson.nl; fo=1

policy: quarantine

DKIM

default: v=DKIM1; p=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDITaRMm2IQrxhT87KOQM9IGJBhmts7HzBHG5ir+zjRAOWVadSm8E9TQhYWoQK71+UQyZgfKwGWozbD4tof…

selectors probed

Certificate (current)

from 2026-05-01 to 2026-07-30

Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.janson.nl/

present

strict-transport-security
content-security-policy
x-content-type-options

findings

missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests
strict-transport-security: max-age=31536000