sdr.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 467 ms crawled 2026-06-01

NL · 134.209.205.222 · AS14061 DigitalOcean, LLC

Reputation 100/100

Classifying

HTML metadata

Title
SDR Elektrotechniek | Eigentijds installatiebedrijf
Description
Wij zijn SDR. We ontwerpen, installeren en onderhouden elektrotechnische installaties voor prachtige opdrachtgevers. Zij vertrouwen op SDR. Ontdek waarom!
Language
nl-NL
Canonical
https://www.sdr.nl/
Feeds

Open Graph

url
https://www.sdr.nl/
title
SDR Elektrotechniek | Eigentijds installatiebedrijf
locale
nl_NL
site name
SDR Elektrotechniek
description
Wij zijn SDR. We ontwerpen, installeren en onderhouden elektrotechnische installaties voor prachtige opdrachtgevers. Zij vertrouwen op SDR. Ontdek waarom!

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (5)

  • fonts.googleapis.com×5
  • secure.gravatar.com×3
  • static.addtoany.com×2
  • www.googletagmanager.com×1
  • www.youtube.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • pns61.cloudns.net
  • pns62.cloudns.com
  • pns63.cloudns.net
  • pns64.cloudns.uk
MX
  • 0 sdr-nl.mail.protection.outlook.com
TXT
  • W6JEo9kuSUniE29UB2YlQMepeH1GIIpqyE/O+2VHv/XiiBIp6MCExq1usLem+p3sLffvUjn8EnKy1GRrKzYOOQ==
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com ip4:93.117.209.74 ip4:95.97.9.130 ip4:193.75.92.155 ip4:193.75.92.156 ip4:91.123.56.240 ip4:91.123.56.241 ip4:37.72.98.85 include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.easycruit.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-report@sdr.nl; ruf=mailto:dmarc-report@sdr.nl; rf=afrf; fo=0:1:d:s
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFWk4aTTLsn+Ct2snn+oBKtNTRB9bXYVJgXlQH5o0Ad299BOqO/L5gChBSMWOKy9psDQOVN1tzEECNK4eSqz…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-04-23 to 2026-07-22
Expires in 46 days

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.sdr.nl/

present
  • strict-transport-security
  • referrer-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
strict-transport-security
max-age=63072000; includeSubDomains, max-age=31536000

Links to (3)

Linked from (1)

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