extrawarmte.nl

.nl crawl

First seen 2026-05-21 · Last seen 2026-05-27 · ok HTTP/1.1 200 3909 ms crawled 2026-05-27

US · 34.160.81.203 · AS396982 Google LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: ExtraWarmte Infraroodpanelen en warmtepanelen specialist!
Description: ExtraWarmte infraroodpanelen en warmtepanelen specialist sinds 2020. Wij geven de energietransitie een boost en door ons alternatief voor gas
Language: en
Generator: Site Kit by Google 1.178.0
Canonical: https://extrawarmte.nl/

Open Graph

url: https://extrawarmte.nl/
title: ExtraWarmte Infraroodpanelen en warmtepanelen specialist!
locale: nl_NL
site name: Extra Warmte
description: ExtraWarmte infraroodpanelen en warmtepanelen specialist sinds 2020. Wij geven de energietransitie een boost en door ons alternatief voor gas

Technology

Server: nginx
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Third-party hosts loaded (4)

kit.fontawesome.com×2
dashboard.webwinkelkeur.nl×1
gmpg.org×1
www.googletagmanager.com×1

Social

Contact

Email

info@extrawarmte.nl

DNS records live

NS

ns1.siteground.net
ns2.siteground.net

MX

10 mx10.antispam.mailspamprotection.com
20 mx20.antispam.mailspamprotection.com
30 mx30.antispam.mailspamprotection.com

TXT

mandrill_verify.AtE0BzCYFFbb17vcxXyYBw

Verified for

Google

Email authentication partial

SPF

v=spf1 +a +mx +ip4:35.214.232.34 include:extrawarmte.nl.spf.auto.dnssmarthost.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none; aspf=r; adkim=r;

policy: none (monitoring only)

DKIM

default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwsWgSSvnEDwdobAr3o0z3mYFdMYmqyW17i/O7qDPzL2EWfV+IbPPGpV5G0/2dwvTTHHLP9qEsbaAused+jR…

selectors probed

Certificate (current)

R13

from 2026-05-12 to 2026-08-10

Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://extrawarmte.nl/

present

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

findings

missing Content Security Policy
missing frame 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")
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload